Clean up ghc-specific haddock options
Haddock uses an in-ghc-tree
flag which is now redundant and can be removed both from the cabal file and codebase, as haddock is part of the ghc tree.
Edited by Jade
Haddock uses an in-ghc-tree
flag which is now redundant and can be removed both from the cabal file and codebase, as haddock is part of the ghc tree.