Sourceforge: Do not modify RSS URLs
Sourceforge: Do not modify RSS URLs

This allows a `livecheck` block to check the RSS feed for a given
path in a SourceForge project. For example:
https://sourceforge.net/projects/example/rss?path=/directory

EricFromCanada/brew,EricFromCanada/brew,MikeMcQuaid/brew,nandub/brew,JCount/brew,Homebrew/brew,MikeMcQuaid/brew,Homebrew/brew,nandub/brew,nandub/brew,MikeMcQuaid/brew,EricFromCanada/brew,JCount/brew,Homebrew/brew,JCount/brew,EricFromCanada/brew,Homebrew/brew,JCount/brew,nandub/brew,MikeMcQuaid/brew