remove unnecssary hack

Author: rickeylev

tests/integration/local_toolchains/BUILD.bazel

@@ -13,30 +13,10 @@
 # limitations under the License.
 
 load("@rules_python//python:py_test.bzl", "py_test")
-load(":defs.bzl", "toolchain_version_condition")
 
 py_test(
     name = "test",
     srcs = ["test.py"],
     # Make this test better respect pyenv
     env_inherit = ["PYENV_VERSION"],
-    # NOTE: This isn't strictly correct because is_toolchain_py39plus
-    # ends up using the config state coming into the target, not from within
-    # the target. There's no transitions going on, though, so it works OK.
-    ##target_compatible_with = select({
-    ##    # Our RBE's system python is 3.6, which is too old.
-    ##    ":is_toolchain_py39plus": [],
-    ##    "//conditions:default": ["@platforms//:incompatible"],
-    ##}),
-)
-
-config_setting(
-    name = "is_toolchain_py39plus",
-    flag_values = {
-        ":toolchain_py39plus_flag": "yes",
-    },
-)
-
-toolchain_version_condition(
-    name = "toolchain_py39plus_flag",
 )