[cvs-nhc98] patch applied (nhc98): Omit spurious check for ghc's $libdir/imports in versions from 5.02 upward.

[Malcolm Wallace]

Fri Nov 23 06:26:12 PST 2007  Malcolm.Wallace at cs.york.ac.uk
  * Omit spurious check for ghc's $libdir/imports in versions from 5.02 upward.
  The directory doesn't exist at all from ghc-6.8.1, and we weren't using
  it since 5.02 anyway.

    M ./src/hmake/Config.hs -20 +15