Remove remaining references to Angular and Polymer from the analysis server.

pkg/analysis_server/lib/src/services/index/index.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library services.index;
 
 import 'dart:async';
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 101 matching lines @@
    */
   void stop();
 }
 
 
 /**
  * Constants used when populating and accessing the index.
  */
 class IndexConstants {
   /**
-   * Left: an Angular element.
-   *   Is referenced at.
-   * Right: location.
-   */
-  static final Relationship ANGULAR_REFERENCE =
-      Relationship.getRelationship("angular-reference");
-
-  /**
-   * Left: an Angular component.
-   *   Is closed "/>" at.
-   * Right: location.
-   */
-  static final Relationship ANGULAR_CLOSING_TAG_REFERENCE =
-      Relationship.getRelationship("angular-closing-tag-reference");
-
-  /**
    * Left: the Universe or a Library.
    *   Defines an Element.
    * Right: an Element declaration.
    */
   static final Relationship DEFINES = Relationship.getRelationship("defines");
 
   /**
    * Left: class.
    *   Is extended by.
    * Right: other class declaration.
@@ skipping 222 matching lines @@
   static final UniverseElement INSTANCE = new UniverseElement._();
 
   UniverseElement._() : super("--universe--", -1);
 
   @override
   ElementKind get kind => ElementKind.UNIVERSE;
 
   @override
   accept(ElementVisitor visitor) => null;
 }