message: Remove outdated / unused CPU platform.
diff: @@ -15,29 +15,6 @@ constraint_value(
  constraint_setting = ":custom_platforms",
  )
  -# TODO(b/122347293): This is the RBE config based on the CPU configuration / image provided
  -# in the asci-toolchain setup. Delete this once we switched CPU remote builds to the
  -# new platform below.
  -platform(
  - name = "rbe_ubuntu16_04-tf",
  - constraint_values = [
  - "@bazel_tools//platforms:x86_64",
  - "@bazel_tools//platforms:linux",
  - "@bazel_tools//tools/cpp:clang",
  - "@bazel_toolchains//constraints:xenial",
  - ],
  - remote_execution_properties = """
  - properties: {
  - name: "container-image"
  - value:"docker://gcr.io/asci-toolchain/nosla-ubuntu16_04-tf@sha256:63a0e981a4e7ce5da2a851cf063e430f72947fd999d9336b7e54e2eebe8e0bf5"
  - }
  - properties: {
  - name: "Pool"
  - value: "default"
  - }
  - """,
  -)
  -
  # Remote build platforms.
  # Each of the platform rules here provide a platform definition that is bound to a docker image.
  # The result of the skylark configuration is checked into
  