Moving stun_prober target from webrtc/p2p to webrtc/examples

webrtc/p2p/p2p.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../build/common.gypi', ],
@@ skipping 110 matching lines @@
       'target_name': 'libstunprober',
       'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/base/base.gyp:rtc_base',
         '<(webrtc_root)/common.gyp:webrtc_common',
       ],
       'sources': [
         'stunprober/stunprober.cc',
       ],
     },
-    {
-      'target_name': 'stun_prober',
-      'type': 'executable',
-      'dependencies': [
-        'libstunprober',
-        'rtc_p2p'
-      ],
-      'sources': [
-        'stunprober/main.cc',
-      ],
-    },
   ],  # targets
 }