patch applied (packages/base): remove Text.Regx & Text.Regex.Posix

[Simon Marlow]

Thu Aug 24 02:46:15 PDT 2006  Simon Marlow <simonmar at microsoft.com>
  * remove Text.Regx & Text.Regex.Posix
  These are subsumed by the new regex-base, regex-posix and regex-compat
  packages.

    M ./Makefile -1
    R ./Text/Regex/
    R ./Text/Regex/Posix.hsc
    M ./base.cabal -2
    M ./package.conf.in -2