remove arch specific code

third-party/cbs/mathops.h

@@ -22,6 +22,8 @@
 #ifndef AVCODEC_MATHOPS_H
 #define AVCODEC_MATHOPS_H
 
+#include "config.h"
+
 #include <stdint.h>
 
 #include <libavutil/common.h>
@@ -35,20 +37,6 @@ extern const uint8_t ff_crop_tab[256 + 2 * MAX_NEG_CROP];
 extern const uint8_t ff_zigzag_direct[64];
 extern const uint8_t ff_zigzag_scan[16 + 1];
 
-#if ARCH_ARM
-#include "arm/mathops.h"
-#elif ARCH_AVR32
-#include "avr32/mathops.h"
-#elif ARCH_MIPS
-#include "mips/mathops.h"
-#elif ARCH_PPC
-#include "ppc/mathops.h"
-#elif ARCH_X86
-#include "x86/mathops.h"
-#endif
-
-/* generic implementation */
-
 #ifndef MUL64
 #define MUL64(a, b) ((int64_t)(a) * (int64_t)(b))
 #endif