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

src/x64/codegen-x64-inl.h

Index: src/x64/codegen-x64-inl.h
===================================================================
--- src/x64/codegen-x64-inl.h	(revision 3505)
+++ src/x64/codegen-x64-inl.h	(working copy)
@@ -39,16 +39,6 @@
 void DeferredCode::Jump() { __ jmp(&entry_label_); }
 void DeferredCode::Branch(Condition cc) { __ j(cc, &entry_label_); }
 
-
-void CodeGenerator::GenerateMathSin(ZoneList<Expression*>* args) {
-  GenerateFastMathOp(SIN, args);
-}
-
-
-void CodeGenerator::GenerateMathCos(ZoneList<Expression*>* args) {
-  GenerateFastMathOp(COS, args);
-}
-
 #undef __
 
 } }  // namespace v8::internal