5261 libm should stop using synonyms.h

*** 34,48 ****
   * Special cases:
   *      y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
   *      y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
   */
  
! #pragma weak j1 = __j1
! #pragma weak y1 = __y1
  
  #include "libm.h"
- #include "libm_synonyms.h"
  #include "libm_protos.h"
  #include <math.h>
  #include <values.h>
  
  #define GENERIC double
--- 34,47 ----
   * Special cases:
   *      y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
   *      y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
   */
  
! #pragma weak __j1 = j1
! #pragma weak __y1 = y1
  
  #include "libm.h"
  #include "libm_protos.h"
  #include <math.h>
  #include <values.h>
  
  #define GENERIC double