Remove $LANG from --experimental_strict_action_env help.

This option does not in fact set a static $LANG envvar.

Change-Id: I9fbc477194aa1a8723069bb89069be6fafb8df35
PiperOrigin-RevId: 169364740

src/main/java/com/google/devtools/build/lib/bazel/rules/BazelConfiguration.java

@@ -47,7 +47,7 @@ public static class Options extends FragmentOptions {
       documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
       effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS},
       help =
-          "If true, Bazel uses an environment with a static value for PATH, and LANG and does not "
+          "If true, Bazel uses an environment with a static value for PATH and does not "
               + "inherit LD_LIBRARY_PATH or TMPDIR. Use --action_env=ENV_VARIABLE if you want to "
               + "inherit specific environment variables from the client, but note that doing so "
               + "can prevent cross-user caching if a shared cache is used."