sync-all: remove trailing '/' from root-urls in help text
sync-all: remove trailing '/' from root-urls in help text

This is a test commit for addressing #8121

ryantm/ghc,siddhanathan/ghc,urbanslug/ghc,elieux/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,mettekou/ghc,mfine/ghc,mfine/ghc,AlexanderPankiv/ghc,elieux/ghc,vTurbine/ghc,siddhanathan/ghc,olsner/ghc,ml9951/ghc,siddhanathan/ghc,wxwxwwxxx/ghc,elieux/ghc,mettekou/ghc,sgillespie/ghc,jstolarek/ghc,mettekou/ghc,mcschroeder/ghc,vikraman/ghc,hferreiro/replay,anton-dessiatov/ghc,frantisekfarka/ghc-dsi,siddhanathan/ghc,spacekitteh/smcghc,TomMD/ghc,tjakway/ghcjvm,vikraman/ghc,bitemyapp/ghc,spacekitteh/smcghc,holzensp/ghc,forked-upstream-packages-for-ghcjs/ghc,wxwxwwxxx/ghc,tibbe/ghc,christiaanb/ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,nkaretnikov/ghc,mcschroeder/ghc,tjakway/ghcjvm,ryantm/ghc,vikraman/ghc,gcampax/ghc,AlexanderPankiv/ghc,GaloisInc/halvm-ghc,olsner/ghc,ryantm/ghc,lukexi/ghc-7.8-arm64,siddhanathan/ghc,gcampax/ghc,tjakway/ghcjvm,tjakway/ghcjvm,ekmett/ghc,holzensp/ghc,da-x/ghc,acowley/ghc,vTurbine/ghc,gridaphobe/ghc,holzensp/ghc,nushio3/ghc,lukexi/ghc-7.8-arm64,frantisekfarka/ghc-dsi,acowley/ghc,AlexanderPankiv/ghc,urbanslug/ghc,shlevy/ghc,TomMD/ghc,mcschroeder/ghc,acowley/ghc,elieux/ghc,sgillespie/ghc,forked-upstream-packages-for-ghcjs/ghc,AlexanderPankiv/ghc,acowley/ghc,tibbe/ghc,mfine/ghc,vTurbine/ghc,lukexi/ghc,jstolarek/ghc,nkaretnikov/ghc,wxwxwwxxx/ghc,AlexanderPankiv/ghc,anton-dessiatov/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,vTurbine/ghc,da-x/ghc,TomMD/ghc,anton-dessiatov/ghc,christiaanb/ghc,christiaanb/ghc,snoyberg/ghc,ml9951/ghc,acowley/ghc,mcschroeder/ghc,nkaretnikov/ghc,oldmanmike/ghc,spacekitteh/smcghc,nathyong/microghc-ghc,frantisekfarka/ghc-dsi,oldmanmike/ghc,urbanslug/ghc,AlexanderPankiv/ghc,christiaanb/ghc,olsner/ghc,elieux/ghc,gcampax/ghc,sdiehl/ghc,ezyang/ghc,sdiehl/ghc,nkaretnikov/ghc,acowley/ghc,nushio3/ghc,sdiehl/ghc,tjakway/ghcjvm,GaloisInc/halvm-ghc,mettekou/ghc,oldmanmike/ghc,oldmanmike/ghc,TomMD/ghc,bitemyapp/ghc,lukexi/ghc,frantisekfarka/ghc-dsi,urbanslug/ghc,gcampax/ghc,wxwxwwxxx/ghc,sdiehl/ghc,wxwxwwxxx/ghc,sgillespie/ghc,da-x/ghc,da-x/ghc,vikraman/ghc,ghc-android/ghc,acowley/ghc,nushio3/ghc,ekmett/ghc,jstolarek/ghc,snoyberg/ghc,lukexi/ghc,green-haskell/ghc,nathyong/microghc-ghc,bitemyapp/ghc,urbanslug/ghc,oldmanmike/ghc,gcampax/ghc,sdiehl/ghc,vTurbine/ghc,sdiehl/ghc,TomMD/ghc,shlevy/ghc,green-haskell/ghc,holzensp/ghc,nkaretnikov/ghc,sgillespie/ghc,elieux/ghc,hferreiro/replay,ml9951/ghc,sgillespie/ghc,shlevy/ghc,nathyong/microghc-ghc,fmthoma/ghc,da-x/ghc,mettekou/ghc,siddhanathan/ghc,frantisekfarka/ghc-dsi,ghc-android/ghc,gridaphobe/ghc,lukexi/ghc,holzensp/ghc,olsner/ghc,ezyang/ghc,vTurbine/ghc,mcschroeder/ghc,lukexi/ghc,spacekitteh/smcghc,tibbe/ghc,GaloisInc/halvm-ghc,shlevy/ghc,nathyong/microghc-ghc,ml9951/ghc,gridaphobe/ghc,nkaretnikov/ghc,snoyberg/ghc,green-haskell/ghc,fmthoma/ghc,hferreiro/replay,lukexi/ghc-7.8-arm64,GaloisInc/halvm-ghc,da-x/ghc,mfine/ghc,oldmanmike/ghc,snoyberg/ghc,mfine/ghc,anton-dessiatov/ghc,snoyberg/ghc,christiaanb/ghc,green-haskell/ghc,oldmanmike/ghc,ezyang/ghc,wxwxwwxxx/ghc,vikraman/ghc,ryantm/ghc,ml9951/ghc,nushio3/ghc,tibbe/ghc,mettekou/ghc,ryantm/ghc,elieux/ghc,nushio3/ghc,jstolarek/ghc,snoyberg/ghc,nathyong/microghc-ghc,ghc-android/ghc,tibbe/ghc,hferreiro/replay,gridaphobe/ghc,gcampax/ghc,green-haskell/ghc,jstolarek/ghc,anton-dessiatov/ghc,olsner/ghc,ekmett/ghc,fmthoma/ghc,ezyang/ghc,ml9951/ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,shlevy/ghc,TomMD/ghc,ml9951/ghc,hferreiro/replay,shlevy/ghc,TomMD/ghc,nushio3/ghc,spacekitteh/smcghc,sdiehl/ghc,vikraman/ghc,christiaanb/ghc,urbanslug/ghc,fmthoma/ghc,vTurbine/ghc,sgillespie/ghc,gridaphobe/ghc,mcschroeder/ghc,ghc-android/ghc,ghc-android/ghc,fmthoma/ghc,gcampax/ghc,forked-upstream-packages-for-ghcjs/ghc,GaloisInc/halvm-ghc,ezyang/ghc,fmthoma/ghc,ml9951/ghc,gridaphobe/ghc,ekmett/ghc,vikraman/ghc,nkaretnikov/ghc,bitemyapp/ghc,bitemyapp/ghc,mcschroeder/ghc,da-x/ghc,olsner/ghc,fmthoma/ghc,christiaanb/ghc,tjakway/ghcjvm,sgillespie/ghc,wxwxwwxxx/ghc,hferreiro/replay,lukexi/ghc-7.8-arm64,mettekou/ghc,tjakway/ghcjvm,nathyong/microghc-ghc,gridaphobe/ghc,hferreiro/replay,ekmett/ghc,shlevy/ghc,ghc-android/ghc,olsner/ghc,AlexanderPankiv/ghc,anton-dessiatov/ghc,GaloisInc/halvm-ghc,mfine/ghc,lukexi/ghc-7.8-arm64,anton-dessiatov/ghc,nathyong/microghc-ghc,nushio3/ghc,snoyberg/ghc,mfine/ghc,GaloisInc/halvm-ghc,urbanslug/ghc