Remove cpufeatures C code, since pkgs/crc32c/cpu should be used instead

pkgs/erasure/cpufeatures.c

@@ -1,59 +0,0 @@
-/*
- * Mini Object Storage, (C) 2014 Minio, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-static void cpuid(int cpuinfo[4] ,int infotype) {
-        __asm__ __volatile__ (
-                "cpuid":
-                "=a" (cpuinfo[0]),
-                "=b" (cpuinfo[1]),
-                "=c" (cpuinfo[2]),
-                "=d" (cpuinfo[3]) :
-                "a" (infotype), "c" (0)
-                );
-}
-
-/*
-  SSE41 : return true
-  no SSE41 : return false
-*/
-int has_sse41 (void) {
-        int info[4];
-        cpuid(info, 0x00000001);
-        return ((info[2] & ((int)1 << 19)) != 0);
-}
-
-/*
-  AVX : return true
-  no AVX : return false
-*/
-int has_avx (void) {
-        int info[4];
-        cpuid(info, 0x00000001);
-        return ((info[2] & ((int)1 << 28)) != 0);
-}
-
-/*
-  AVX2 : return true
-  no AVX2 : return false
-*/
-int has_avx2 (void) {
-        int info[4];
-        cpuid(info, 0x00000007);
-        return ((info[1] & ((int)1 <<  5)) != 0);
-}

pkgs/erasure/cpufeatures.h

@@ -1,24 +0,0 @@
-/*
- * Mini Object Storage, (C) 2014 Minio, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __CPU_H__
-#define __CPU_H__
-
-int has_sse41 (void);
-int has_avx (void);
-int has_avx2 (void);
-
-#endif /* __CPU_H__ */