Remove unused trigonometric code.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index febae63ea1ac39c71dbb245c0e2bcbbc2b70a9d2..c8d16ae07f34560d80d5f5da1238145556c43f68 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1418,50 +1418,11 @@ static double mod_two_doubles(double x, double y) {
 }
 
 
-static double math_sin_double(double x) {
-  return sin(x);
-}
-
-
-static double math_cos_double(double x) {
-  return cos(x);
-}
-
-
-static double math_tan_double(double x) {
-  return tan(x);
-}
-
-
 static double math_log_double(double x) {
   return log(x);
 }
 
 
-ExternalReference ExternalReference::math_sin_double_function(
-    Isolate* isolate) {
-  return ExternalReference(Redirect(isolate,
-                                    FUNCTION_ADDR(math_sin_double),
-                                    BUILTIN_FP_CALL));
-}
-
-
-ExternalReference ExternalReference::math_cos_double_function(
-    Isolate* isolate) {
-  return ExternalReference(Redirect(isolate,
-                                    FUNCTION_ADDR(math_cos_double),
-                                    BUILTIN_FP_CALL));
-}
-
-
-ExternalReference ExternalReference::math_tan_double_function(
-    Isolate* isolate) {
-  return ExternalReference(Redirect(isolate,
-                                    FUNCTION_ADDR(math_tan_double),
-                                    BUILTIN_FP_CALL));
-}
-
-
 ExternalReference ExternalReference::math_log_double_function(
     Isolate* isolate) {
   return ExternalReference(Redirect(isolate,