2a01d84 Add information on cleaning old symlinks in /usr in dnf-system-upgrade.adoc

Authored and Committed by noloader 4 years ago
    Add information on cleaning old symlinks in /usr in dnf-system-upgrade.adoc
    
    Add information on cleaning old symlinks in /usr in dnf-system-upgrade.adoc.

    

    Fedora includes the symlinks utility, so it is easy to clean the old cruft.