remove warning lints from grep travis check (#47327)
remove warning lints from grep travis check (#47327)

I am sick and tired of having to help people wade through hundreds of lines of irrelevant output about vars that are warning only in order to find the actual errors.
nicbn/tgstation,Jordie0608/tgstation,XDTM/tgstation,tgstation/tgstation,AnturK/-tg-station,Arianya/tgstation,CPTANT/-tg-station,optimumtact/-tg-station,QualityVan/tgstation,MicroWorldwide/SS13-TG-station,MrStonedOne/tgstation,coiax/-tg-station,QualityVan/tgstation,infinitystation/-tg-station,MicroWorldwide/SS13-TG-station,Mark9013100/tgstation-m9,Razharas/-tg-station,optimumtact/-tg-station,JJRcop/tgstation,tgstation/tgstation,TalkingCactus/tgstation,anconfuzedrock/tgstation,Cruix/-tg-station,GunHog/-tg-station,QualityVan/tgstation,MrStonedOne/tgstation,Profakos/tgstation,ShizCalev/tgstation,Fox-McCloud/-tg-station,CPTANT/-tg-station,Cruix/-tg-station,Jordie0608/tgstation,Cruix/-tg-station,Razharas/-tg-station,PKPenguin321/-tg-station,Fox-McCloud/-tg-station,SamuelRowe/-tg-station,Bawhoppen/-tg-station,HippieStation/HippieStation,MicroWorldwide/SS13-TG-station,WJohn/-tg-station,ShizCalev/tgstation,PKPenguin321/-tg-station,optimumtact/-tg-station,SamuelRowe/-tg-station,coiax/-tg-station,optimumtact/-tg-station,erwgd/-tg-station,GunHog/-tg-station,coiax/-tg-station,Thunder12345/-tg-station,Cruix/-tg-station,optimumtact/-tg-station,anconfuzedrock/tgstation,AnturK/-tg-station,MrStonedOne/tgstation,Arianya/tgstation,Jordie0608/tgstation,HippieStation/HippieStation,Profakos/tgstation,Cruix/-tg-station,tgstation/tgstation,MicroWorldwide/SS13-TG-station,Bawhoppen/-tg-station,tgstation/tgstation,ShizCalev/tgstation,Razharas/-tg-station,QualityVan/tgstation,Razharas/-tg-station,WJohn/-tg-station,Profakos/tgstation,TalkingCactus/tgstation,SamuelRowe/-tg-station,XDTM/tgstation,GunHog/-tg-station,Bawhoppen/-tg-station,QualityVan/tgstation,ShizCalev/tgstation,optimumtact/-tg-station,Cyberboss/tgstation,Fox-McCloud/-tg-station,anconfuzedrock/tgstation,AnturK/-tg-station,WJohn/-tg-station,Mark9013100/tgstation-m9,JJRcop/tgstation,optimumtact/-tg-station,XDTM/tgstation,anconfuzedrock/tgstation,TheVekter/-tg-station,coiax/-tg-station,TheVekter/-tg-station,TalkingCactus/tgstation,anconfuzedrock/tgstation,JJRcop/tgstation,kingofkosmos/-tg-station,WJohn/-tg-station,PKPenguin321/-tg-station,AnturK/-tg-station,coiax/-tg-station,HippieStation/HippieStation,nicbn/tgstation,Cyberboss/tgstation,Cyberboss/tgstation,JJRcop/tgstation,nicbn/tgstation,Fox-McCloud/-tg-station,infinitystation/-tg-station,ShizCalev/tgstation,XDTM/tgstation,TheVekter/-tg-station,Jordie0608/tgstation,TalkingCactus/tgstation,infinitystation/-tg-station,Fox-McCloud/-tg-station,coiax/-tg-station,PKPenguin321/-tg-station,Cruix/-tg-station,XDTM/tgstation,infinitystation/-tg-station,tgstation/tgstation,Cyberboss/tgstation,QualityVan/tgstation,Jordie0608/tgstation,infinitystation/-tg-station,Profakos/tgstation,GunHog/-tg-station,Arianya/tgstation,CPTANT/-tg-station,Jordie0608/tgstation,Arianya/tgstation,TheVekter/-tg-station,Thunder12345/-tg-station,Mark9013100/tgstation-m9,Profakos/tgstation,Jordie0608/tgstation,Cruix/-tg-station,Arianya/tgstation,WJohn/-tg-station,Profakos/tgstation,JJRcop/tgstation,kingofkosmos/-tg-station,Jordie0608/tgstation,PKPenguin321/-tg-station,Bawhoppen/-tg-station,Thunder12345/-tg-station,Cruix/-tg-station,Mark9013100/tgstation-m9,GunHog/-tg-station,kingofkosmos/-tg-station,Thunder12345/-tg-station,tgstation/-tg-station,infinitystation/-tg-station,PKPenguin321/-tg-station,HippieStation/HippieStation,TheVekter/-tg-station,Bawhoppen/-tg-station,tgstation/tgstation,SamuelRowe/-tg-station,coiax/-tg-station,tgstation/tgstation,tgstation/-tg-station,Fox-McCloud/-tg-station,TheVekter/-tg-station,kingofkosmos/-tg-station,tgstation/tgstation,AnturK/-tg-station,XDTM/tgstation,GunHog/-tg-station,Cyberboss/tgstation,nicbn/tgstation,MrStonedOne/tgstation,Cyberboss/tgstation,kingofkosmos/-tg-station,MicroWorldwide/SS13-TG-station,Thunder12345/-tg-station,AnturK/-tg-station,TheVekter/-tg-station,Razharas/-tg-station,erwgd/-tg-station,QualityVan/tgstation,anconfuzedrock/tgstation,HippieStation/HippieStation,PKPenguin321/-tg-station,CPTANT/-tg-station,Profakos/tgstation,MicroWorldwide/SS13-TG-station,CPTANT/-tg-station,HippieStation/HippieStation,kingofkosmos/-tg-station,CPTANT/-tg-station,CPTANT/-tg-station,WJohn/-tg-station,infinitystation/-tg-station,XDTM/tgstation,nicbn/tgstation,Razharas/-tg-station,tgstation/-tg-station,erwgd/-tg-station,tgstation/-tg-station,GunHog/-tg-station,Bawhoppen/-tg-station,JJRcop/tgstation,MicroWorldwide/SS13-TG-station,Mark9013100/tgstation-m9,ShizCalev/tgstation,kingofkosmos/-tg-station,Mark9013100/tgstation-m9,WJohn/-tg-station,MrStonedOne/tgstation,Thunder12345/-tg-station,Arianya/tgstation,PKPenguin321/-tg-station,MrStonedOne/tgstation,JJRcop/tgstation,CPTANT/-tg-station,ShizCalev/tgstation,nicbn/tgstation,Thunder12345/-tg-station,MrStonedOne/tgstation,MicroWorldwide/SS13-TG-station,Bawhoppen/-tg-station,Fox-McCloud/-tg-station,anconfuzedrock/tgstation,HippieStation/HippieStation,Bawhoppen/-tg-station,nicbn/tgstation,infinitystation/-tg-station,Razharas/-tg-station,Mark9013100/tgstation-m9,Arianya/tgstation,Razharas/-tg-station,Cyberboss/tgstation,ShizCalev/tgstation,MrStonedOne/tgstation,AnturK/-tg-station