5261 libm should stop using synonyms.h

*** 28,38 ****
  
          .file "remquo.s"
  
  #include "libm.h"
  LIBM_ANSI_PRAGMA_WEAK(remquo,function)
- #include "libm_synonyms.h"
  #include "libm_protos.h"
  
          ENTRY(remquo)
          fldl    12(%esp)                / load arg y
          fldl    4(%esp)                 / load arg x
--- 28,37 ----