patch applied (ghc): Revert CorePrep part of "Completely newtreatment of INLINE pragmas..."

[Simon Marlow]

Claus Reinke wrote:
> While this has made ghc build again, I'm now getting excessive
> memory usage and stack overflows when trying to cabal install
> things like storablevector or uvector (which wasn't a problem
> with ghc-6.11.20081202).

The change probably de-optimised something; indeed our nightly runs seem to 
be taking longer now, and the i386 build failed a few tests due to running 
out of time.  I guess we'll have to revert Simon's whole patch set :-(

Cheers,
	Simon