Fix TF config
`-c opt` already exists in `tensorflow/tools/bazel.rc`
@@ -32,7 +32,6 @@ platforms:
batch_commands:
- "echo.| python ./configure.py"
build_flags:
- - "-c opt"
- "--copt=-w"
- "--host_copt=-w"
- "--define=override_eigen_strong_inline=true"
