remove avx check (#48003)

* remove avx check

* fix bug;

paddle/fluid/platform/init.cc

@@ -285,52 +285,6 @@ void InitDevices(const std::vector<int> devices) {
 #ifndef PADDLE_WITH_MKLDNN
   platform::SetNumThreads(FLAGS_paddle_num_threads);
 #endif
-
-#if !defined(_WIN32) && !defined(__APPLE__) && !defined(__OSX__)
-  if (platform::MayIUse(platform::avx)) {
-#ifndef __AVX__
-    LOG(WARNING) << "AVX is available, Please re-compile on local machine";
-#endif
-  }
-
-// Throw some informations when CPU instructions mismatch.
-#define AVX_GUIDE(compiletime, runtime)                                  \
-  PADDLE_THROW(platform::errors::Unavailable(                            \
-      "This version is compiled on higher instruction(" #compiletime     \
-      ") system, you may encounter illegal instruction error running on" \
-      " your local CPU machine. Please reinstall the " #runtime          \
-      " version or compile from source code."))
-
-#ifdef __AVX512F__
-  if (!platform::MayIUse(platform::avx512f)) {
-    if (platform::MayIUse(platform::avx2)) {
-      AVX_GUIDE(AVX512, AVX2);
-    } else if (platform::MayIUse(platform::avx)) {
-      AVX_GUIDE(AVX512, AVX);
-    } else {
-      AVX_GUIDE(AVX512, NonAVX);
-    }
-  }
-#endif
-
-#ifdef __AVX2__
-  if (!platform::MayIUse(platform::avx2)) {
-    if (platform::MayIUse(platform::avx)) {
-      AVX_GUIDE(AVX2, AVX);
-    } else {
-      AVX_GUIDE(AVX2, NonAVX);
-    }
-  }
-#endif
-
-#ifdef __AVX__
-  if (!platform::MayIUse(platform::avx)) {
-    AVX_GUIDE(AVX, NonAVX);
-  }
-#endif
-#undef AVX_GUIDE
-
-#endif
 }
 
 #ifndef _WIN32