message: [tf.data] Fix warnings about unused imports in a BUILD file.
diff: @@ -4,13 +4,6 @@ licenses(["notice"]) # Apache 2.0
  exports_files(["LICENSE"])
  -load(
  - "//tensorflow:tensorflow.bzl",
  - "tf_gen_op_wrapper_py",
  - "tf_kernel_library",
  -)
  -load("//tensorflow:tensorflow.bzl", "tf_custom_op_py_library")
  -
  py_library(
  name = "counter",
  srcs = ["counter.py"],
  