5261 libm should stop using synonyms.h

@@ -24,15 +24,10 @@
 /*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak aintl = __aintl
-#pragma weak anintl = __anintl
-#pragma weak irintl = __irintl
-#pragma weak nintl = __nintl
-
 /*
  * aintl(x)     return x chopped to integral value
  * anintl(x)    return sign(x)*(|x|+0.5) chopped to integral value
  * irintl(x)    return rint(x) in integer format
  * nintl(x)     return anint(x) in integer format