Revert "dart2js: add compiler builtins to the core-runtime."

pkg/compiler/lib/src/enqueue.dart

Index: pkg/compiler/lib/src/enqueue.dart
diff --git a/pkg/compiler/lib/src/enqueue.dart b/pkg/compiler/lib/src/enqueue.dart
index da3afed7c95fdc90807ee3618e982ca1c81e8592..adc2363c339717809225255e9c62132d680160fe 100644
--- a/pkg/compiler/lib/src/enqueue.dart
+++ b/pkg/compiler/lib/src/enqueue.dart
@@ -783,10 +783,6 @@ class ResolutionEnqueuer extends Enqueuer {
     nativeEnqueuer.registerJsEmbeddedGlobalCall(node, resolver);
   }
 
-  void registerJsBuiltinCall(Send node, ResolverVisitor resolver) {
-    nativeEnqueuer.registerJsBuiltinCall(node, resolver);
-  }
-
   void _logSpecificSummary(log(message)) {
     log('Resolved ${resolvedElements.length} elements.');
   }