Remove unused server-side /nick code
Remove unused server-side /nick code

/nick is fully handled by the client without this code.

SolarisFox/Pokemon-Showdown,Psyientist/Showdown-Boilerplate,javi501/Lumen-Pokemon-Showdown,HoeenCoder/SpacialGaze,Evil-kun/Pokemon-Showdown,SilverTactic/Pokemon-Showdown,Irraquated/EOS-Master,ehk12/clone,AWailOfATail/awoat,Psyientist/Showdown-Boilerplate,NoahVSGamingYT/Pokemon-Showdown,Kevinxzllz/PS-Openshift-Server,LustyAsh/EOS-Master,Flareninja/Pokemon-Showdown-1,Flareninja/Hispano-Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,FakeSloth/wulu,Legit99/Lightning-Storm-Server,CorruptedHelix/Pokemon-Showdown,Sora-League/Sora,BlazingAura/Showdown-Boilerplate,FakeSloth/Infinite,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,JennyPRO/Jenny,Stroke123/POKEMON,hayleysworld/Showdown-Boilerplate,Flareninja/Lumen-Pokemon-Showdown,Alpha-Devs/Alpha-Server,Vacate/Pokemon-Showdown,PrimalGallade45/Lumen-Pokemon-Showdown,DalleTest/Pokemon-Showdown,TheManwithskills/Server-2,Pikachuun/Pokemon-Showdown,Disaster-Area/Pokemon-Showdown,HoeenCoder/SpacialGaze,KewlStatics/Alliance,hayleysworld/asdfasdf,SerperiorBae/BaeShowdown,Flareninja/Pokemon-Showdown-1,hayleysworld/serenityc9,SubZeroo99/Pokemon-Showdown,Oiawesome/DPPtServ2,AustinXII/Pokemon-Showdown,BadSteel/Omega-Pokemon-Showdown,Werfin96/Ultimate,EmmaKitty/Pokemon-Showdown,Zarel/Pokemon-Showdown,yashagl/pokecommunity,panpawn/Pokemon-Showdown,PS-Spectral/Spectral,Sora-Server/Sora,xCrystal/Pokemon-Showdown,ShowdownHelper/Saffron,jumbowhales/Pokemon-Showdown,QuiteQuiet/Pokemon-Showdown,DarkSuicune/Kakuja-2.0,Pikachuun/Pokemon-Showdown-SMCMDM,JellalTheMage/Jellals-Server,lFernanl/Zero-Pokemon-Showdown,TheManwithskills/Server---Thermal,Lauc1an/Perulink-Showdown,Irraquated/Pokemon-Showdown,RustServer/Pokemon-Showdown,ehk12/clone,cadaeic/Pokemon-Showdown,Extradeath/advanced,Hidden-Mia/Roleplay-PS,scotchkorean27/Pokemon-Showdown,sama2/Dropp-Pokemon-Showdown,NoahVSGamingYT/Pokemon-Showdown,abrulochp/Dropp-Pokemon-Showdown,kuroscafe/Paradox,jumbowhales/Pokemon-Showdown,ehk12/coregit,TheManwithskills/New-boiler-test,InvalidDN/Pokemon-Showdown,Firestatics/Omega-Alpha,Adithya4Uberz/The-Tsunami-League,gustavo515/batata,brettjbush/Pokemon-Showdown,Gold-Solox/Pokemon-Showdown,Adithya4Uberz/KTN,Sora-League/Sora,Zarel/Pokemon-Showdown,theodelhay/test,sama2/Universe-Pokemon-Showdown,Ecuacion/Pokemon-Showdown,DesoGit/Tsunami_PS,SSJGVegito007/Vegito-s-Server,LightningStormServer/Lightning-Storm,DB898/theregalias,TheManwithskills/COC,SerperiorBae/BaeShowdown,Firestatics/Firestatics46,ZeroParadox/BlastBurners,QuiteQuiet/Pokemon-Showdown,Flareninja/Sora,bai2/Dropp,Flareninja/Pokemon-Showdown,gustavo515/gashoro,SerperiorBae/PokemonShowdown2,Hopenub/Pokemon-Showdown,KewlStatics/Shit,TheManwithskills/New-boiler-test,zczd/enculer,sama2/Lumen-Pokemon-Showdown,Breakfastqueen/advanced,SerperiorBae/Bae-Showdown-2,abrulochp/Lumen-Pokemon-Showdown,Raina4uberz/Light-server,AWailOfATail/awoat,Extradeath/psserver,Lord-Haji/SpacialGaze,BuzzyOG/Pokemon-Showdown,TheManwithskills/COC,Sora-Server/Sora,TheManwithskills/DS,Firestatics/Firestatics46,lAlejandro22/lolipoop,Kill-The-Noise/BlakJack-Boilerplate,xfix/Pokemon-Showdown,MasterFloat/Pokemon-Showdown,panpawn/Gold-Server,abulechu/Dropp-Pokemon-Showdown,kubetz/Pokemon-Showdown,Kevinxzllz/PS-Openshift-Server,Flareninja/Sora,BadSteel/Pokemon-Showdown,urkerab/Pokemon-Showdown,sama2/Viridian-Pokemon-Showdown,catanatron/pokemon-rebalance,TheFenderStory/Pokemon-Showdown,SkyeTheFemaleSylveon/Mudkip-Server,TheManwithskills/Dusk--Showdown,Elveman/RPCShowdownServer,TheManwithskills/Creature-phil-boiler,Mystifi/Exiled,AWailOfATail/Pokemon-Showdown,javi501/Lumen-Pokemon-Showdown,gustavo515/test,Irraquated/Showdown-Boilerplate,SkyeTheFemaleSylveon/Mudkip-Server,yashagl/yash-showdown,Enigami/Pokemon-Showdown,MayukhKundu/Flame-Savior,Articuno-I/Pokemon-Showdown,azum4roll/Pokemon-Showdown,Evil-kun/Pokemon-Showdown,TheManwithskills/Server---Thermal,kuroscafe/Showdown-Boilerplate,Tesarand/Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,aakashrajput/Pokemon-Showdown,ehk12/coregit,Adithya4Uberz/The-Tsunami-League,UniversalMan12/Universe-Server,SerperiorBae/Pokemon-Showdown,Lord-Haji/SpacialGaze,SerperiorBae/Pokemon-Showdown-1,PS-Spectral/Spectral,yashagl/pokemon,RustServer/Pokemon-Showdown,AbsolitoSweep/Absol-server,piiiikachuuu/Pokemon-Showdown,SilverTactic/Showdown-Boilerplate,hayleysworld/harmonia,jumbowhales/Pokemon-Showdown,DesoGit/TsunamiPS,hayleysworld/serenityc9,Bryan-0/Pokemon-Showdown,PauLucario/LQP-Server-Showdown,Ecuacion/Lumen-Pokemon-Showdown,Syurra/Pokemon-Showdown,Disaster-Area/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,lFernanl/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,HoeenCoder/SpacialGaze,KewlStatics/Showdown-Template,TheManwithskills/serenity,JennyPRO/Jenny,k3naan/Pokemon-Showdown,TbirdClanWish/Pokemon-Showdown,hayleysworld/Showdown-Boilerplate,abulechu/Lumen-Pokemon-Showdown,sirDonovan/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,Parukia/Pokemon-Showdown,comedianchameleon/test,AWailOfATail/Pokemon-Showdown,HoeenCoder/SpacialGaze,urkerab/Pokemon-Showdown,gustavo515/test,Mystifi/Exiled,SerperiorBae/PokemonShowdown2,ScottehMax/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,Sora-Server/Sora,SolarisFox/Pokemon-Showdown,panpawn/Gold-Server,Parukia/Pokemon-Showdown,AvinashSwaminathan/lotus-v2,Parukia/Pokemon-Showdown,gustavo515/final,yashagl/yash-showdown,hayleysworld/asdfasdf,megaslowbro1/Pokemon-Showdown,DB898/theregalias,Yggdrasil-League/Yggdrasil,kotarou3/Krister-Pokemon-Showdown,TheManwithskills/Server-2,lFernanl/Lumen-Pokemon-Showdown,MayukhKundu/Technogear,catanatron/pokemon-rebalance,Ecuacion/Lumen-Pokemon-Showdown,Sora-League/Sora,EienSeiryuu/Pokemon-Showdown,AustinXII/Pokemon-Showdown,Enigami/Pokemon-Showdown,Irraquated/Showdown-Boilerplate,yashagl/pokemon-showdown,KewlStatics/Showdown-Template,Enigami/Pokemon-Showdown,ZestOfLife/FestiveLife,MayukhKundu/Mudkip-Server,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,Flareninja/Hispano-Pokemon-Showdown,KewlStatics/Pokeindia-Codes,Zipzapadam/Server,lFernanl/Pokemon-Showdown,TheManwithskills/Server,kubetz/Pokemon-Showdown,scotchkorean27/Pokemon-Showdown,MayukhKundu/Technogear-Final,arkanox/MistShowdown,johtooo/PS,AustinXII/Pokemon-Showdown,Ridukuo/Test,UniversalMan12/Universe-Server,AbsolitoSweep/Absol-server,ZeroParadox/BlastBurners,xfix/Pokemon-Showdown,comedianchameleon/test,DesoGit/Tsunami_PS,urkerab/Pokemon-Showdown,HoeenKid/Pokemon-Showdown-Johto,sama2/Universe-Pokemon-Showdown,Firestatics/omega,Lord-Haji/SpacialGaze,Ridukuo/Test2,miahjennatills/Pokemon-Showdown,sama2/Lumen-Pokemon-Showdown,DalleTest/Pokemon-Showdown,Flareninja/Sora,Thiediev/Pokemon-Showdown,JellalTheMage/PS-,LightningStormServer/Lightning-Storm,Raina4uberz/Light-server,gustavo515/final,LegendBorned/PS-Boilerplate,SerperiorBae/Bae-Showdown-2,Johto-Serverr/Werfin-Boilerplate,KewlStatics/Shit,CrestfallPS/Pokemon-Showdown,FakeSloth/Infinite,MeliodasBH/Articuno-Land,xfix/Pokemon-Showdown,Ridukuo/Test,UniversalMan12/Universe-Server,brettjbush/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,zczd/enculer,Breakfastqueen/advanced,CharizardtheFireMage/Showdown-Boilerplate,jd4564/Pokemon-Showdown,Nineage/Origin,theodelhay/test,DarkSuicune/Kakuja-2.0,ZeroParadox/ugh,abrulochp/Lumen-Pokemon-Showdown,xCrystal/Pokemon-Showdown,Irraquated/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown,Pikachuun/Pokemon-Showdown,panpawn/Gold-Server,PrimalGallade45/Dropp-Pokemon-Showdown,AvinashSwaminathan/lotus,PrimalGallade45/Lumen-Pokemon-Showdown,Ecuacion/Pokemon-Showdown,Alpha-Devs/OmegaRuby-Server,Flareninja/Showdown-Boilerplate,svivian/Pokemon-Showdown,sirDonovan/Pokemon-Showdown,lAlejandro22/lolipoop,sama2/Viridian-Pokemon-Showdown,AnaRitaTorres/Pokemon-Showdown,Firestatics/omega,Fusxfaranto/Pokemon-Showdown,TheDiabolicGift/Lumen-Pokemon-Showdown,CharizardtheFireMage/Showdown-Boilerplate,SSJGVegito007/Vegito-s-Server,Luobata/Pokemon-Showdown,cadaeic/Pokemon-Showdown,BlakJack/Kill-The-Noise,kupochu/Pokemon-Showdown,TheManwithskills/Server,hayleysworld/Pokemon-Showdown,QuiteQuiet/Pokemon-Showdown,zek7rom/SpacialGaze,Checkinator/Pokemon-Showdown,JellalTheMage/PS-,MayukhKundu/Flame-Savior,ZeroParadox/ugh,Pokemon-Devs/Pokemon-Showdown,TheFenderStory/Showdown-Boilerplate,SerperiorBae/Bae-Showdown-2,Zarel/Pokemon-Showdown,MayukhKundu/Pokemon-Domain,Atwar/ServerClassroom,megaslowbro1/Showdown-Server-again,Git-Worm/City-PS,BlazingAura/Showdown-Boilerplate,TheDiabolicGift/Lumen-Pokemon-Showdown,ehk12/bigbangtempclone,sirDonovan/Pokemon-Showdown,Arcticblast/Pokemon-Showdown,svivian/Pokemon-Showdown,Ransei1/Alt,Flareninja/Showdown-Boilerplate,Mystifi/Exiled,Breakfastqueen/advanced,Pablo000/aaa,ehk12/bigbangtempclone,CreaturePhil/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,ShowdownHelper/Saffron,SerperiorBae/Bae-Showdown,TheFenderStory/Showdown-Boilerplate,ZestOfLife/PSserver,hayleysworld/serenityserver,Pablo000/aaa,hayleysworld/harmonia,Nineage/Origin,panpawn/Pokemon-Showdown,Ridukuo/Test2,MasterFloat/LQP-Server-Showdown,ZestOfLife/FestiveLife,xfix/Pokemon-Showdown,Atwar/server-epilogueleague.rhcloud.com,hayleysworld/serenity,aakashrajput/Pokemon-Showdown,Alpha-Devs/OmegaRuby-Server,Volcos/SpacialGaze,Git-Worm/City-PS,kuroscafe/Paradox,Darkshadow6/PokeMoon-Creation,TheManwithskills/Server-2,Atwar/server-epilogueleague.rhcloud.com,Neosweiss/Pokemon-Showdown,Checkinator/Pokemon-Showdown,DesoGit/Tsunami_PS,hayleysworld/Pokemon-Showdown,iFaZe/SliverX,Bryan-0/Pokemon-Showdown,TheManwithskills/DS,Lauc1an/Perulink-Showdown,DarkSuicune/Pokemon-Showdown,sama2/Dropp-Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,anubhabsen/Pokemon-Showdown,svivian/Pokemon-Showdown,SilverTactic/Pokemon-Showdown,jd4564/Pokemon-Showdown,forbiddennightmare/Pokemon-Showdown-1,lFernanl/Mudkip-Server,psnsVGC/Wish-Server,Stroke123/POKEMON,yashagl/pokemon,MasterFloat/Pokemon-Showdown,Kokonoe-san/Glacia-PS,Celecitia/Plux-Pokemon-Showdown,SerperiorBae/Bae-Showdown,forbiddennightmare/Pokemon-Showdown-1,kupochu/Pokemon-Showdown,Flareninja/Lumen-Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,aakashrajput/Pokemon-Showdown,TheDiabolicGift/Showdown-Boilerplate,Extradeath/advanced,Kokonoe-san/Glacia-PS,superman8900/Pokemon-Showdown,Chespin14/Custom-Platform-Pokemon-Showdown,johtooo/PS,CorruptedHelix/Pokemon-Showdown,TheManwithskills/serenity,TheManwithskills/Dusk--Showdown,Guernouille/Pokemon-Showdown,Irraquated/EOS-Master,Kenny-/Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,TogeSR/Lumen-Pokemon-Showdown,Articuno-I/Pokemon-Showdown,AWailOfATail/Pokemon-Showdown,ZestOfLife/PSserver,azum4roll/Pokemon-Showdown,ankailou/Pokemon-Showdown,Pikachuun/Joimmon-Showdown,KaitoV4X/Showdown,DesoGit/TsunamiPS,Alpha-Devs/Alpha-Server,Pikachuun/Touhoumon-Showdown,SubZeroo99/Pokemon-Showdown,Pikachuun/Pokemon-Showdown-SMCMDM,Tesarand/Pokemon-Showdown,Guernouille/Pokemon-Showdown,asdfghjklohhnhn/Pokemon-Showdown,Elveman/RPCShowdownServer,anubhabsen/Pokemon-Showdown,Nineage/Showdown-Boilerplate,k3naan/Pokemon-Showdown,TheFenderStory/Pokemon-Showdown,AvinashSwaminathan/Pokelegends,KewlStatics/Pokeindia-Codes,MasterFloat/LQP-Server-Showdown,Zipzapadam/Server,danpantry/Pokemon-Showdown,Neosweiss/Pokemon-Showdown,TheDiabolicGift/Showdown-Boilerplate,PS-Spectral/Spectral,megaslowbro1/Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,kotarou3/Krister-Pokemon-Showdown,psnsVGC/Wish-Server,ScottehMax/Pokemon-Showdown,AvinashSwaminathan/lotus-v3,ankailou/Pokemon-Showdown,abulechu/Dropp-Pokemon-Showdown,asdfghjklohhnhn/Pokemon-Showdown,abrulochp/Dropp-Pokemon-Showdown,TbirdClanWish/Pokemon-Showdown,SilverTactic/Dragotica-Pokemon-Showdown,Atwar/ServerClassroom,yashagl/pokemon-showdown,Pikachuun/Joimmon-Showdown,MayukhKundu/Mudkip-Server,AnaRitaTorres/Pokemon-Showdown,lFernanl/Lumen-Pokemon-Showdown,KaitoV4X/Showdown,Enigami/Pokemon-Showdown,PauLucario/LQP-Server-Showdown,LegendBorned/PS-Boilerplate,Vacate/Pokemon-Showdown,Legit99/Lightning-Storm-Server,Wando94/Pokemon-Showdown,EmmaKitty/Pokemon-Showdown,bai2/Dropp,SerperiorBae/Bae-Showdown,VoltStorm/Server-pokemon-showdown,Hidden-Mia/Roleplay-PS,SilverTactic/Dragotica-Pokemon-Showdown,SkyeTheFemaleSylveon/Pokemon-Showdown,SkyeTheFemaleSylveon/Pokemon-Showdown,kuroscafe/Showdown-Boilerplate,comedianchameleon/test,superman8900/Pokemon-Showdown,LustyAsh/EOS-Master,MayukhKundu/Technogear,Tesarand/Pokemon-Showdown,Firestatics/Omega-Alpha,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,Oiawesome/DPPtServ2,TheManwithskills/Creature-phil-boiler,xfix/Pokemon-Showdown,Yggdrasil-League/Yggdrasil,MeliodasBH/boarhat,lFernanl/Mudkip-Server,gustavo515/gashoro,SerperiorBae/Pokemon-Showdown,EienSeiryuu/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,Irraquated/Pokemon-Showdown,Syurra/Pokemon-Showdown,xCrystal/Pokemon-Showdown,Extradeath/psserver,arkanox/MistShowdown,Wando94/Pokemon-Showdown,miahjennatills/Pokemon-Showdown,SerperiorBae/BaeShowdown,hayleysworld/serenityserver,iFaZe/SilverZ,danpantry/Pokemon-Showdown,CreaturePhil/Pokemon-Showdown,piiiikachuuu/Pokemon-Showdown,comedianchameleon/servertest1,comedianchameleon/servertest1,PrimalGallade45/Dropp-Pokemon-Showdown,abulechu/Lumen-Pokemon-Showdown,SilverTactic/Showdown-Boilerplate,BasedGod7/PH,MeliodasBH/boarhat,hayleysworld/serenity,Wando94/Spite,megaslowbro1/Showdown-Server-again,MayukhKundu/Technogear-Final,KewlStatics/Alliance,MeliodasBH/Articuno-Land,Flareninja/Pokemon-Showdown,Ransei1/Alt,JellalTheMage/Jellals-Server,Celecitia/Plux-Pokemon-Showdown,svivian/Pokemon-Showdown,yashagl/pokecommunity,Wando94/Spite,svivian/Pokemon-Showdown,Volcos/SpacialGaze,lFernanl/Zero-Pokemon-Showdown,Gold-Solox/Pokemon-Showdown,TogeSR/Lumen-Pokemon-Showdown,Legendaryhades/Oblivion,zek7rom/SpacialGaze,gustavo515/batata,InvalidDN/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,LightningStormServer/Lightning-Storm,MayukhKundu/Pokemon-Domain,DarkSuicune/Pokemon-Showdown,Pokemon-Devs/Pokemon-Showdown,ShowdownHelper/Saffron