Remove obsolete flags (they are no-op anyway)

* Remove --tls_enabled
* Remove --incompatible_tls_enabled_removed

#8061

RELNOTES: None.
PiperOrigin-RevId: 321536730

src/main/java/com/google/devtools/build/lib/authandtls/AuthAndTLSOptions.java

@@ -61,30 +61,6 @@ public class AuthAndTLSOptions extends OptionsBase {
   )
   public String googleCredentials;
 
-  @Deprecated
-  @Option(
-      name = "tls_enabled",
-      defaultValue = "false",
-      documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
-      deprecationWarning = "No-op. See #8061 for details.",
-      effectTags = {OptionEffectTag.UNKNOWN},
-      help = "No-op. See #8061 for details.")
-  public boolean tlsEnabled;
-
-  @Deprecated
-  @Option(
-      name = "incompatible_tls_enabled_removed",
-      defaultValue = "true",
-      documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
-      deprecationWarning = "No-op. See #8061 for details.",
-      effectTags = {OptionEffectTag.UNKNOWN},
-      metadataTags = {
-        OptionMetadataTag.INCOMPATIBLE_CHANGE,
-        OptionMetadataTag.TRIGGERED_BY_ALL_INCOMPATIBLE_CHANGES
-      },
-      help = "No-op. See #8061 for details.")
-  public boolean incompatibleTlsEnabledRemoved;
-
   @Option(
       name = "tls_certificate",
       defaultValue = "null",