5261 libm should stop using synonyms.h

@@ -25,12 +25,10 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak sincospi = __sincospi
-
 /* INDENT OFF */
 /*
  * void sincospi(double x, double *s, double *c)
  * *s = sin(pi*x); *c = cos(pi*x);
  *

@@ -70,11 +68,10 @@
  * high (tpi_h) and low (tpi_l) parts and call __k_sin/cos(tip_h, tip_lo)
  * instead.
  */
 
 #include "libm.h"
-#include "libm_synonyms.h"
 #include "libm_protos.h"
 #include "libm_macros.h"
 #include <math.h>
 #if defined(__SUNPRO_C)
 #include <sunmath.h>