[cleanup] Remove unused NativeFlags::NATIVE_CODE

Bug: v8:8834
Change-Id: I8e53e9288491a5eb50e9f27e95a6b40747e718ea
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1526198Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60285}

src/compiler.cc

@@ -1886,8 +1886,7 @@ MaybeHandle<SharedFunctionInfo> Compiler::GetSharedFunctionInfoForScript(
       DCHECK(is_compiled_scope.is_compiled());
       compilation_cache->PutScript(source, isolate->native_context(),
                                    language_mode, result);
-    } else if (maybe_result.is_null() && natives != EXTENSION_CODE &&
-               natives != NATIVES_CODE) {
+    } else if (maybe_result.is_null() && natives != EXTENSION_CODE) {
       isolate->ReportPendingMessages();
     }
   }

src/globals.h

@@ -769,7 +769,6 @@ enum VisitMode {
 enum NativesFlag {
   NOT_NATIVES_CODE,
   EXTENSION_CODE,
-  NATIVES_CODE,
   INSPECTOR_CODE
 };
 

src/parsing/parse-info.cc

@@ -180,9 +180,6 @@ Handle<Script> ParseInfo::CreateScript(Isolate* isolate, Handle<String> source,
     Script::InitLineEnds(script);
   }
   switch (natives) {
-    case NATIVES_CODE:
-      script->set_type(Script::TYPE_NATIVE);
-      break;
     case EXTENSION_CODE:
       script->set_type(Script::TYPE_EXTENSION);
       break;