Remove runtime NEON detection

webrtc/modules/audio_processing/aec/aec_core.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 1484 matching lines @@
     WebRtcAec_InitAec_SSE2();
   }
 #endif
 
 #if defined(MIPS_FPU_LE)
   WebRtcAec_InitAec_mips();
 #endif
 
 #if defined(WEBRTC_HAS_NEON)
   WebRtcAec_InitAec_neon();
-#elif defined(WEBRTC_DETECT_NEON)
-  if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
-    WebRtcAec_InitAec_neon();
-  }
 #endif
 
   aec_rdft_init();
 
   return aec;
 }
 
 void WebRtcAec_FreeAec(AecCore* aec) {
   int i;
   if (aec == NULL) {
@@ skipping 438 matching lines @@
 
 int WebRtcAec_system_delay(AecCore* self) {
   return self->system_delay;
 }
 
 void WebRtcAec_SetSystemDelay(AecCore* self, int delay) {
   assert(delay >= 0);
   self->system_delay = delay;
 }
 }  // namespace webrtc