Remove unused function: webrtc::GetCPUInfoNoASM()

Bug: webrtc:42228262
Change-Id: I1d0afcee6132c5ee0c41813423d77534d4f71739
No-Iwyu: Avoid unrelated changes
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/393580
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Auto-Submit: Fredrik Solenberg <solenberg@webrtc.org>
Commit-Queue: Fredrik Solenberg <solenberg@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#44761}
diff --git a/system_wrappers/include/cpu_features_wrapper.h b/system_wrappers/include/cpu_features_wrapper.h
index 254e2d8..d73b12a 100644
--- a/system_wrappers/include/cpu_features_wrapper.h
+++ b/system_wrappers/include/cpu_features_wrapper.h
@@ -11,7 +11,7 @@
 #ifndef SYSTEM_WRAPPERS_INCLUDE_CPU_FEATURES_WRAPPER_H_
 #define SYSTEM_WRAPPERS_INCLUDE_CPU_FEATURES_WRAPPER_H_
 
-#include <stdint.h>
+#include <cstdint>
 
 namespace webrtc {
 
@@ -29,9 +29,6 @@
 // Returns true if the CPU supports the feature.
 int GetCPUInfo(CPUFeature feature);
 
-// No CPU feature is available => straight C path.
-int GetCPUInfoNoASM(CPUFeature feature);
-
 // Return the features in an ARM device.
 // It detects the features in the hardware platform, and returns supported
 // values in the above enum definition as a bitmask.
diff --git a/system_wrappers/source/cpu_features.cc b/system_wrappers/source/cpu_features.cc
index 4a6170c..3050ad8 100644
--- a/system_wrappers/source/cpu_features.cc
+++ b/system_wrappers/source/cpu_features.cc
@@ -19,12 +19,6 @@
 
 namespace webrtc {
 
-// No CPU feature is available => straight C path.
-int GetCPUInfoNoASM(CPUFeature feature) {
-  (void)feature;
-  return 0;
-}
-
 #if defined(WEBRTC_ARCH_X86_FAMILY)
 
 #if defined(WEBRTC_ENABLE_AVX2)