message: Fix comment in Eager C API.
  Somehow this comment seems to have been repeated. I delete the second copy and re-flow the existing one.
diff: @@ -170,23 +170,11 @@ TF_CAPI_EXPORT extern int64_t TFE_TensorHandleDim(TFE_TensorHandle* h,
  int dim_index,
  TF_Status* status);
  -// Returns the device of the operation that produced `h`.
  -// If `h` was produced by a copy, returns the destination device of
  -// the copy. Note that returned device name is not always the device
  -// holding the tensor handle's memory. If you want the latter, use
  -// TFE_TensorHandleBackingDeviceName.
  -// This function will block till the operation that produces `h` has completed.
  -//
  -// Device on which the kernel of the operation that produced `h` ran.
  -//
  -// If `h` was produced by a copy, returns the destination device of
  -// the copy.
  -//
  -// Note that returned device name is not always the device that owns the memory
  -// that backs the tensor handle. For the latter see
  -// TFE_TensorHandleBackingDeviceName.
  -//
  -// This function will block till the operation that produces `h` has completed.
  +// Returns the device of the operation that produced `h`. If `h` was produced by
  +// a copy, returns the destination device of the copy. Note that the returned
  +// device name is not always the device holding the tensor handle's memory. If
  +// you want the latter, use TFE_TensorHandleBackingDeviceName. This function
  +// will block till the operation that produces `h` has completed.
  TF_CAPI_EXPORT extern const char* TFE_TensorHandleDeviceName(
  TFE_TensorHandle* h, TF_Status* status);
  