Remove Angular support from the analyzer and analysis_server packages.

pkg/analyzer/lib/src/generated/ast.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.ast;
 
 import 'dart:collection';
@@ skipping 6924 matching lines @@
    */
   static Element locateWithOffset(AstNode node, int offset) {
     if (node == null) {
       return null;
     }
     // try to get Element from node
     Element nodeElement = locate(node);
     if (nodeElement != null) {
       return nodeElement;
     }
-    // TODO(brianwilkerson) Implement or delete the code below.
-//    // try to get Angular specific Element
-//    {
-//      Element element = null;
-//      if (element != null) {
-//        return element;
-//      }
-//    }
-//    // try to get Polymer specific Element
-//    {
-//      Element element = null;
-//      if (element != null) {
-//        return element;
-//      }
-//    }
     // no Element
     return null;
   }
 }
 
 /**
  * Visitor that maps nodes to elements.
  */
 class ElementLocator_ElementMapper extends GeneralizingAstVisitor<Element> {
   @override
@@ skipping 14597 matching lines @@
   }
 
   @override
   accept(AstVisitor visitor) => visitor.visitYieldStatement(this);
 
   @override
   void visitChildren(AstVisitor visitor) {
     safelyVisitChild(_expression, visitor);
   }
 }