README: Mention problem with too new haddock
Revert "README: Mention problem with too new haddock"

This reverts commit 629df36c1d4f9fad47df0deaffa6e520cef029aa.

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README: Mention problem with too new haddock
Merge branch 'master' of https://github.com/SublimeHaskell/SublimeHaskell into hsdev