RTC_[D]CHECK_op: Remove "u" suffix on integer constants

webrtc/modules/audio_processing/audio_processing_impl.cc

Index: webrtc/modules/audio_processing/audio_processing_impl.cc
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index 39c79cdf5c562e06f1916dd16696360791389d4e..061495d9a2c983dd9e8286e4639e2b44fae57067 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -813,7 +813,7 @@ void AudioProcessingImpl::QueueRenderAudio(AudioBuffer* audio) {
                                               num_reverse_channels(),
                                               &aec_render_queue_buffer_);
 
-  RTC_DCHECK_GE(160u, audio->num_frames_per_band());
+  RTC_DCHECK_GE(160, audio->num_frames_per_band());
 
   // Insert the samples into the queue.
   if (!aec_render_signal_queue_->Insert(&aec_render_queue_buffer_)) {