5261 libm should stop using synonyms.h

@@ -27,15 +27,10 @@
  */
 
         .file "rndintl.s"
 
 #include "libm.h"
-LIBM_ANSI_PRAGMA_WEAK(aintl,function)
-LIBM_ANSI_PRAGMA_WEAK(irintl,function)
-LIBM_ANSI_PRAGMA_WEAK(anintl,function)
-LIBM_ANSI_PRAGMA_WEAK(nintl,function)
-#include "libm_synonyms.h"
 
 #undef fabs
 
         ENTRY(aintl)
         movq    %rsp,%rax