cleanup in yum

[Justin Conover]

This might be some were else, but I've always wondered what Cleanup was
doing.

  Cleanup   : libnotify                    ##################### [319/458]
  Cleanup   : zlib-devel                   ##################### [320/458]
  Cleanup   : zlib-devel                   ##################### [321/458]
  Cleanup   : java-1.5.0-gcj               ##################### [322/458]
  Cleanup   : apr                          ##################### [323/458]
  Cleanup   : libbeagle                    ##################### [324/458]
  Cleanup   : dbus                         ##################### [325/458]
  Cleanup   : alacarte                     ##################### [326/458]
  Cleanup   : NetworkManager-gnome         ##################### [327/458]