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

pkg/analysis_server/lib/src/services/search/search_engine.dart

Index: pkg/analysis_server/lib/src/services/search/search_engine.dart
diff --git a/pkg/analysis_server/lib/src/services/search/search_engine.dart b/pkg/analysis_server/lib/src/services/search/search_engine.dart
index 9073be8355cbd6158862be0728328c016aacc3b4..87a91272ed3dd414183a39e69b3d32b6e2eda2b2 100644
--- a/pkg/analysis_server/lib/src/services/search/search_engine.dart
+++ b/pkg/analysis_server/lib/src/services/search/search_engine.dart
@@ -27,18 +27,6 @@ SearchEngine createSearchEngine(Index index) {
  */
 class MatchKind {
   /**
-   * A reference to an Angular element.
-   */
-  static const MatchKind ANGULAR_REFERENCE =
-      const MatchKind('ANGULAR_REFERENCE');
-
-  /**
-   * A reference to an Angular element.
-   */
-  static const MatchKind ANGULAR_CLOSING_TAG_REFERENCE =
-      const MatchKind('ANGULAR_CLOSING_TAG_REFERENCE');
-
-  /**
    * A declaration of an element.
    */
   static const MatchKind DECLARATION = const MatchKind('DECLARATION');