[YDF] [TF-DF] Minor fixes

- Pass release_cpu_linux flag to test_bazel to on linux for manylinux compatibility
- Remove the MacOS Tensorflow warning
- Fix an incorrect warning on max_depth =-1 or -2, which are special cases (and always set)

PiperOrigin-RevId: 665904417

tools/test_bazel.sh

@@ -118,7 +118,7 @@ if is_macos; then
 elif is_windows; then
   FLAGS="${FLAGS} --config=windows"
 else
-  FLAGS="${FLAGS} --config=linux"
+  FLAGS="${FLAGS} --config=linux --config=release_cpu_linux"
 fi