Remove unused trigonometric code.

src/mips/codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 21 matching lines @@
 #include "codegen.h"
 #include "macro-assembler.h"
 #include "simulator-mips.h"
 
 namespace v8 {
 namespace internal {
 
 
 UnaryMathFunction CreateTranscendentalFunction(TranscendentalCache::Type type) {
   switch (type) {
-    case TranscendentalCache::SIN: return &sin;
-    case TranscendentalCache::COS: return &cos;
-    case TranscendentalCache::TAN: return &tan;
     case TranscendentalCache::LOG: return &log;
     default: UNIMPLEMENTED();
   }
   return NULL;
 }
 
 
 #define __ masm.
 
 
@@ skipping 621 matching lines @@
     patcher.masm()->nop();  // Pad the empty space.
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS