[ic] Remove unnecessary access rights checks from the IC handlers.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 98c33a14ecc52cc09fce97dd803b74fd0834f9c2..824a3bf14da33d0167e0d4dc01ffd7b7867d067a 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -495,13 +495,6 @@ class MacroAssembler: public Assembler {
   // ---------------------------------------------------------------------------
   // Inline caching support.
 
-  // Generate code for checking access rights - used for security checks
-  // on access to global objects across environments. The holder register
-  // is left untouched, whereas both scratch registers are clobbered.
-  void CheckAccessGlobalProxy(Register holder_reg,
-                              Register scratch,
-                              Label* miss);
-
   void GetNumberHash(Register reg0, Register scratch);
 
   inline void MarkCode(NopMarkerTypes type) {