Use diagnostic infrastructure in GHC.Tc.Errors

compiler/GHC/Parser/Errors/Ppr.hs

compiler/GHC/Parser/Errors/Types.hs

compiler/GHC/Parser/PostProcess.hs

compiler/GHC/Rename/Env.hs

compiler/GHC/Rename/HsType.hs

compiler/GHC/Rename/Module.hs

compiler/GHC/Rename/Pat.hs

compiler/GHC/Rename/Unbound.hs

compiler/GHC/Rename/Utils.hs

compiler/GHC/Tc/Errors.hs

compiler/GHC/Tc/Errors/Hole.hs

compiler/GHC/Tc/Errors/Hole.hs-boot

compiler/GHC/Tc/Errors/Hole/FitTypes.hs-boot

compiler/GHC/Tc/Errors/Ppr.hs

compiler/GHC/Tc/Errors/Types.hs

compiler/GHC/Tc/Gen/App.hs

compiler/GHC/Tc/Gen/Expr.hs

compiler/GHC/Tc/Gen/Head.hs

compiler/GHC/Tc/Gen/HsType.hs

compiler/GHC/Tc/Gen/Pat.hs