Remove the instance methods of Types as they are unused. Types is used solely for its static methods.
Remove the instance methods of Types as they are unused. Types is used
solely for its static methods.

git-svn-id: 6ee47c8665bf46900d9baa0afb711c5b4a0eafac@2557 e2bb083e-7f23-0410-b3a8-8253ac9ef6d8

swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k