Remove "no_oss" tag for support/thread_local_test, as it is no longer needed.

PiperOrigin-RevId: 640558538

Author: Chris Minge

cpp_tests/BUILD

@@ -436,7 +436,6 @@ tfrt_cc_test(
  srcs = [
  "support/thread_local_test.cc",
  ],
- tags = ["no_oss"], # TODO(b/178142173)
  deps = [
  "@com_google_googletest//:gtest_main",
  "@tf_runtime//:support",