Avoid circular dependency rtp_rtcp <-> paced_sender

webrtc/modules/rtp_rtcp/rtp_rtcp.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'rtp_rtcp',
       'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
-        '<(webrtc_root)/modules/modules.gyp:paced_sender',
         '<(webrtc_root)/modules/modules.gyp:remote_bitrate_estimator',
       ],
       'sources': [
         # Common
         'interface/fec_receiver.h',
         'interface/receive_statistics.h',
         'interface/remote_ntp_time_estimator.h',
         'interface/rtp_header_parser.h',
         'interface/rtp_payload_registry.h',
         'interface/rtp_receiver.h',
@@ skipping 79 matching lines @@
         'source/vp8_partition_aggregator.h',
         # Mocks
         'mocks/mock_rtp_rtcp.h',
         'source/mock/mock_rtp_payload_strategy.h',
       ], # source
       # TODO(jschuh): Bug 1348: fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }