Remove complicated Math.sin and Math.cos optimizations that do not buy...

src/arm/codegen-arm.h

Index: src/arm/codegen-arm.h
===================================================================
--- src/arm/codegen-arm.h	(revision 3505)
+++ src/arm/codegen-arm.h	(working copy)
@@ -360,12 +360,6 @@
   // Fast support for Math.random().
   void GenerateRandomPositiveSmi(ZoneList<Expression*>* args);
 
-  // Fast support for Math.sin and Math.cos.
-  enum MathOp { SIN, COS };
-  void GenerateFastMathOp(MathOp op, ZoneList<Expression*>* args);
-  inline void GenerateMathSin(ZoneList<Expression*>* args);
-  inline void GenerateMathCos(ZoneList<Expression*>* args);
-
   // Fast support for StringAdd.
   void GenerateStringAdd(ZoneList<Expression*>* args);