Remove unused handlers
Remove unused handlers

eduStack/configuration,stvstnfrd/configuration,cyanna/configuration,EDUlib/configuration,nikolas/configuration,rue89-tech/configuration,Softmotions/configuration,proversity-org/configuration,zhengjunwei/configuration,jp-bpl/configuration,openfun/configuration,EDUlib/configuration,yrchen/configuration,antshin72/configuration,arbrandes/edx-configuration,vasyarv/configuration,gsehub/configuration,rue89-tech/configuration,nikolas/configuration,armaan/edx-configuration,Carlos2005/configuration,yrchen/configuration,xiangjf/configuration,pedrorib/istx,nttks/configuration,alu042/configuration,vasyarv/configuration,gashac03/ubuntu,nunpa/configuration,open-craft/configuration,Pieros/configuration,armaan/edx-configuration,jp-bpl/configuration,omarkhan/configuration,usernamenumber/configuration,cyanna/configuration,joshhu/configuration,mitodl/configuration,arifsetiawan/configuration,arifsetiawan/configuration,glengal/configuration,usernamenumber/configuration,nunpa/configuration,jp-bpl/configuration,yrchen/configuration,Pieros/configuration,omarkhan/configuration,openfun/configuration,zhengjunwei/configuration,hastexo/edx-configuration-old,pobrejuanito/configuration,Stanford-Online/configuration,Livit/Livit.Learn.EdX.configuration,eduStack/configuration,arbrandes/edx-configuration,hastexo/edx-configuration-old,rue89-tech/configuration,xiangjf/configuration,michaelsteiner19/open-edx-configuration,antoviaque/configuration,stvstnfrd/configuration,knehez/configuration,kencung/configuration,gashac03/ubuntu,jp-bpl/configuration,proversity-org/configuration,arbrandes/edx-configuration,Stanford-Online/configuration,gsehub/configuration,open-craft/configuration,antoviaque/configuration,kursitet/configuration,leansoft/configuration,michaelsteiner19/open-edx-configuration,CredoReference/configuration,jp-bpl/configuration,alu042/configuration,jorgeomarmh/configuration,antshin72/configuration,gsehub/configuration,michaelsteiner19/open-edx-configuration,arifsetiawan/configuration,edx/configuration,leansoft/configuration,Carlos2005/configuration,gashac03/ubuntu,hastexo/edx-configuration-old,bugcy013/edx_infra,marcore/configuration,edx/configuration,nunpa/configuration,cyanna/configuration,marcore/configuration,Livit/Livit.Learn.EdX.configuration,Softmotions/configuration,usernamenumber/configuration,nikolas/configuration,beacloudgenius/configuration,glengal/configuration,knehez/configuration,openfun/configuration,pedrorib/istx,EDUlib/configuration,CredoReference/configuration,rue89-tech/configuration,proversity-org/configuration,stvstnfrd/configuration,kencung/configuration,IndonesiaX/configuration,glengal/configuration,bugcy013/edx_infra,mitodl/configuration,bugcy013/edx_infra,fghaas/edx-configuration,stvstnfrd/configuration,knehez/configuration,louyihua/configuration,leansoft/configuration,hastexo/edx-configuration,rue89-tech/configuration,hks-epod/configuration,EDUlib/configuration,hastexo/edx-configuration,AlfiyaZi/configuration,appsembler/configuration,Stanford-Online/configuration,michaelsteiner19/open-edx-configuration,nttks/configuration,pedrorib/istx,hastexo/edx-configuration-old,glengal/configuration,nunpa/configuration,louyihua/configuration,IndonesiaX/configuration,antoviaque/configuration,4eek/configuration,open-craft/configuration,hastexo/edx-configuration,4eek/configuration,pobrejuanito/configuration,joshhu/configuration,IndonesiaX/configuration,leansoft/configuration,stvstnfrd/configuration,hks-epod/configuration,joshhu/configuration,CredoReference/configuration,Softmotions/configuration,hks-epod/configuration,beacloudgenius/configuration,appsembler/configuration,EDUlib/configuration,alu042/configuration,pobrejuanito/configuration,kursitet/configuration,edx/configuration,eduStack/configuration,openfun/configuration,proversity-org/configuration,alu042/configuration,marcore/configuration,fghaas/edx-configuration,nttks/configuration,jorgeomarmh/configuration,mitodl/configuration,hks-epod/configuration,zhengjunwei/configuration,edx/configuration,louyihua/configuration,arbrandes/edx-configuration,CredoReference/configuration,pedrorib/istx,vasyarv/configuration,beacloudgenius/configuration,IndonesiaX/configuration,Livit/Livit.Learn.EdX.configuration,AlfiyaZi/configuration,appsembler/configuration,kencung/configuration,joshhu/configuration,Carlos2005/configuration,Livit/Livit.Learn.EdX.configuration,Pieros/configuration,pobrejuanito/configuration,zhengjunwei/configuration,armaan/edx-configuration,gsehub/configuration,antshin72/configuration,hastexo/edx-configuration,lgfa29/configuration,jorgeomarmh/configuration,hastexo/edx-configuration,4eek/configuration,arbrandes/edx-configuration,fghaas/edx-configuration,Carlos2005/configuration,cyanna/configuration,kursitet/configuration,AlfiyaZi/configuration,yrchen/configuration,appsembler/configuration,4eek/configuration,armaan/edx-configuration,beacloudgenius/configuration,nikolas/configuration,jorgeomarmh/configuration,fghaas/edx-configuration,xiangjf/configuration,marcore/configuration,omarkhan/configuration,louyihua/configuration,Softmotions/configuration,Stanford-Online/configuration,mitodl/configuration,nttks/configuration,kursitet/configuration,lgfa29/configuration,Stanford-Online/configuration,usernamenumber/configuration,proversity-org/configuration,bugcy013/edx_infra,antoviaque/configuration,xiangjf/configuration,open-craft/configuration,lgfa29/configuration,AlfiyaZi/configuration,kencung/configuration,Pieros/configuration,gsehub/configuration,lgfa29/configuration,arifsetiawan/configuration,omarkhan/configuration,knehez/configuration,antshin72/configuration,vasyarv/configuration,hks-epod/configuration,gashac03/ubuntu