patch applied (ghc): Remove old, unused release notes

[Ian Lynagh]

Tue Feb 23 07:03:27 PST 2010  Ian Lynagh <igloo at earth.li>
  * Remove old, unused release notes

    R ./docs/users_guide/5-00-notes.xml
    R ./docs/users_guide/5-02-notes.xml
    R ./docs/users_guide/5-04-notes.xml
    R ./docs/users_guide/6.0-notes.xml

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20100223150327-3fd76-a53c983f16c69214441a91a00b21a93fc1b30286.gz