AppRTCDemo(ios): remove codesigning hack now that gyp signs by default.

R=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/4119005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5155 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/libjingle_examples.gyp

@@ -261,35 +261,6 @@
               '-framework UIKit',
             ],
           },
-          'postbuilds': [
-            {
-              # Ideally app signing would be a part of gyp.
-              # Delete if/when that comes to pass.
-              'postbuild_name': 'Sign AppRTCDemo',
-              'variables': {
-                'variables': {
-                  'key_id%': '<!(security find-identity -p codesigning -v | grep "iPhone Developer" | awk \'{print $2}\')',
-                },
-                'key_id%': '<(key_id)',
-                # Total HACK to give a more informative message when multiple
-                # codesigning keys are present in the default keychain.  Ideally
-                # we could pick more intelligently among the keys, but as a
-                # first cut just tell the developer to specify a key identity
-                # explicitly.
-                'ensure_single_key': '<!(python -c "assert \'\\n\' not in \'\'\'<(key_id)\'\'\', \'key_id gyp variable needs to be set explicitly because there are multiple codesigning keys!\'")',
-              },
-              'conditions': [
-                ['key_id==""', {
-                  'action': [ 'echo', 'Skipping signing' ],
-                }, {
-                  'action': [
-                    '/usr/bin/codesign', '-v', '--force', '--sign', '<(key_id)',
-                    '${BUILT_PRODUCTS_DIR}/AppRTCDemo.app',
-                  ],
-                }],
-              ],
-            },
-          ],
         },  # target AppRTCDemo
       ],  # targets
     }],  # OS=="ios"