message: Removed redundant friend ShapeManager declarations
diff: @@ -73,7 +73,6 @@ class DimensionHandle {
  friend class ShapeInferenceTest;
  friend class ShapeInferenceTestutil;
  friend class ::tensorflow::ShapeRefinerTest;
  - friend class ShapeManager;
  friend class ::tensorflow::grappler::GraphProperties;
  friend class ::tensorflow::grappler::SymbolicShapeManager;
  @@ -91,7 +90,6 @@ class Shape {
  const std::vector<DimensionHandle> dims_;
  friend class InferenceContext;
  - friend class ShapeManager;
  friend class ::tensorflow::grappler::SymbolicShapeManager;
  TF_DISALLOW_COPY_AND_ASSIGN(Shape);
  @@ -114,7 +112,6 @@ class ShapeHandle {
  friend class ShapeInferenceTest;
  friend class ShapeInferenceTestutil;
  friend class ::tensorflow::ShapeRefinerTest;
  - friend class ShapeManager;
  friend class ::tensorflow::grappler::SymbolicShapeManager;
  // Intentionally copyable.
  