patch applied (ghc): Remove some unnecessary workarounds

[Ian Lynagh]

Sat Jan 15 16:28:03 PST 2011  Ian Lynagh <igloo at earth.li>
  * Remove some unnecessary workarounds
  We can now rely on cross-package deps working properly, as we require
  GHC 6.12.

    M ./ghc/ghc.mk -9

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20110116002803-3fd76-2dc300e8fb8317293f5e11c8c245c0d0f37e1473.gz