Remove runtime NEON detection

webrtc/modules/audio_processing/ns/nsx_core.c

Index: webrtc/modules/audio_processing/ns/nsx_core.c
diff --git a/webrtc/modules/audio_processing/ns/nsx_core.c b/webrtc/modules/audio_processing/ns/nsx_core.c
index 25f16d26abc7d5e76fa231b9d5ef5ac4a92a904d..94b6449776f61e49488f05b1a7303ad3d0cbb12e 100644
--- a/webrtc/modules/audio_processing/ns/nsx_core.c
+++ b/webrtc/modules/audio_processing/ns/nsx_core.c
@@ -19,7 +19,7 @@
 #include "webrtc/modules/audio_processing/ns/nsx_core.h"
 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
 
-#if (defined WEBRTC_DETECT_NEON || defined WEBRTC_HAS_NEON)
+#if defined(WEBRTC_HAS_NEON)
 /* Tables are defined in ARM assembly files. */
 extern const int16_t WebRtcNsx_kLogTable[9];
 extern const int16_t WebRtcNsx_kCounterDiv[201];
@@ -65,7 +65,7 @@ static const int16_t WebRtcNsx_kLogTableFrac[256] = {
   237, 238, 238, 239, 240, 241, 241, 242, 243, 244, 244, 245, 246, 247, 247,
   248, 249, 249, 250, 251, 252, 252, 253, 254, 255, 255
 };
-#endif  // WEBRTC_DETECT_NEON || WEBRTC_HAS_NEON
+#endif  // WEBRTC_HAS_NEON
 
 // Skip first frequency bins during estimation. (0 <= value < 64)
 static const size_t kStartBand = 5;
@@ -557,7 +557,7 @@ AnalysisUpdate WebRtcNsx_AnalysisUpdate;
 Denormalize WebRtcNsx_Denormalize;
 NormalizeRealBuffer WebRtcNsx_NormalizeRealBuffer;
 
-#if (defined WEBRTC_DETECT_NEON || defined WEBRTC_HAS_NEON)
+#if defined(WEBRTC_HAS_NEON)
 // Initialize function pointers for ARM Neon platform.
 static void WebRtcNsx_InitNeon(void) {
   WebRtcNsx_NoiseEstimation = WebRtcNsx_NoiseEstimationNeon;
@@ -762,12 +762,7 @@ int32_t WebRtcNsx_InitCore(NoiseSuppressionFixedC* inst, uint32_t fs) {
   WebRtcNsx_Denormalize = DenormalizeC;
   WebRtcNsx_NormalizeRealBuffer = NormalizeRealBufferC;
 
-#ifdef WEBRTC_DETECT_NEON
-  uint64_t features = WebRtc_GetCPUFeaturesARM();
-  if ((features & kCPUFeatureNEON) != 0) {
-      WebRtcNsx_InitNeon();
-  }
-#elif defined(WEBRTC_HAS_NEON)
+#if defined(WEBRTC_HAS_NEON)
   WebRtcNsx_InitNeon();
 #endif