Revert "Added synchronous socket implementation to dart:io."

pkg/dev_compiler/tool/input_sdk/patch/io_patch.dart

 // 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.
 
 import 'dart:_js_helper' show patch;
 
 @patch
 class _Directory {
   @patch
   static _current() {
@@ skipping 410 matching lines @@
 
 @patch
 class SecureSocket {
   @patch
   factory SecureSocket._(RawSecureSocket rawSocket) {
     throw new UnsupportedError("SecureSocket constructor");
   }
 }
 
 @patch
-class RawSynchronousSocket {
-  @patch
-  static RawSynchronousSocket connectSync(host, int port) {
-    throw new UnsupportedError("RawSynchronousSocket.connectSync");
-  }
-}
-
-@patch
 class SecurityContext {
   @patch
   factory SecurityContext() {
     throw new UnsupportedError("SecurityContext constructor");
   }
 
   @patch
   static SecurityContext get defaultContext {
     throw new UnsupportedError("default SecurityContext getter");
   }
@@ skipping 153 matching lines @@
   }
 }
 
 @patch
 class _IOService {
   @patch
   static Future _dispatch(int request, List data) {
     throw new UnsupportedError("_IOService._dispatch");
   }
 }