message: [XLA] [NFC] Drop unused constructor of ExecutionInput
diff: @@ -63,10 +63,6 @@ class ExecutionInput {
  explicit ExecutionInput(xla::Shape shape) : buffers_(std::move(shape)) {}
  explicit ExecutionInput(ShapeTree<MaybeOwningDeviceMemory> buffers)
  : buffers_(std::move(buffers)) {}
  - ExecutionInput(ShapeTree<MaybeOwningDeviceMemory> buffers,
  - std::vector<ShapeIndex> owner_held_indices)
  - : buffers_(std::move(buffers)),
  - unowned_indices_(std::move(owner_held_indices)) {}
  ExecutionInput(ExecutionInput&&) = default;
  ~ExecutionInput() {
  