Merge pull request #1418 from cdepillabout/haskell-remove-cabal.config

Remove cabal.config from Haskell gitignore

Haskell.gitignore

@@ -11,7 +11,6 @@ cabal-dev
 .hsenv
 .cabal-sandbox/
 cabal.sandbox.config
-cabal.config
 *.prof
 *.aux
 *.hp