Remove handling for .hi-boot files, which was only needed for ghc-6.2
Remove handling for .hi-boot files, which was only needed for ghc-6.2

which we have removed support for. It is not clear if we need any similar
handling for .hs-boot files. These were also the only uses of smartCopySources
which used exitIfNone set to False.

20080130001845-adfee-deff348620b57c708da9bc10f92aafddd37d10e9.gz

dcreager/cabal,dcreager/cabal