dart2js: Remove unused function.

pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
index 7777a038ca446b146fb29c00197090181c71a4e4..c204d7d0d46b78a6428ec8f07a622d38fbef3498 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
@@ -1261,22 +1261,6 @@ class OldEmitter implements Emitter {
     cspPrecompiledConstructorNamesFor(outputUnit).add(js('#', constructorName));
   }
 
-  void emitLibraries(Iterable<LibraryElement> libraries) {
-    if (libraries.isEmpty) return;
-
-    // TODO(karlklose): document what kinds of fields this loop adds to the
-    // library class builder.
-    for (LibraryElement element in libraries) {
-      LibraryElement library = element;
-      ClassBuilder builder = new ClassBuilder(library, namer);
-      if (classEmitter.emitFields(library, builder, emitStatics: true)) {
-        jsAst.ObjectInitializer initializer = builder.toObjectInitializer();
-        compiler.dumpInfoTask.registerElementAst(builder.element, initializer);
-        getElementDescriptor(library).properties.addAll(initializer.properties);
-      }
-    }
-  }
-
   void emitTypedefs() {
     OutputUnit mainOutputUnit = compiler.deferredLoadTask.mainOutputUnit;