message: Remove the PLATFORM_RE2_STRINGPIECE_IS_NOW_ABSL_STRING_VIEW macro,
  which was a temporary hack for the sake of TensorFlow Data Validation.
diff: @@ -63,10 +63,4 @@ limitations under the License.
  #define PLATFORM_IS_X86
  #endif
  -// A temporary hack for the sake of TensorFlow Data Validation, which uses the
  -// same version of RE2 that TensorFlow uses and so needs some way to know when
  -// to use absl::string_view rather than re2::StringPiece. This will be removed
  -// in a future release of TensorFlow.
  -#define PLATFORM_RE2_STRINGPIECE_IS_NOW_ABSL_STRING_VIEW
  -
  #endif // TENSORFLOW_PLATFORM_PLATFORM_DEFINE_H_
  