Cleanup: remove `_cdecl` and `_silgen` annotations. (#371)
Cleanup: remove `_cdecl` and `_silgen` annotations. (#371)

* Cleanup: remove `_cdecl` and `_silgen` annotations.

* Remove unused setAttrShapeList

tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis