Remove kind generalisation from tcRnType
Remove kind generalisation from tcRnType

There is no need to kind-generalise in tcRnType. Types are not
instantiated eagerly, so there's never anything to generalise.

sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc