Reverting 17420 "Speech recognition APIs" which broke dartium.

tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate

Index: tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
diff --git a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate b/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
deleted file mode 100644
index 599b50c579bcccbc8d05e0b53ad26eabe7578fb8..0000000000000000000000000000000000000000
--- a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2013, 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.
-
-part of $LIBRARYNAME;
-
-$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-$!MEMBERS
-  static SpeechRecognition _create() {
-    return JS('SpeechRecognition',
-        'new (window.SpeechRecognition || window.webkitSpeechRecognition)()');
-  }
-}