Clean a bunch of things that we don't need to removepkg:
- packages with no files (*-filesystem, basesystem)
- packages that only contain files that will be deleted anyway
(e.g. *-fonts-common - only contains files in /usr/share/doc)
- packages that aren't being installed or no longer exist
(hal-libs, clutter, mutter, libXv, redhat-menus, etc)
- consolidate perl lines to just: removepkg perl*