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

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index d657828f64cdf01e500fc86b8390c2e669c1afca..32ccfac1b18a050181824207b05fba1eebd3238e 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -599,12 +599,6 @@ 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, but the scratch register is clobbered.
-  void CheckAccessGlobalProxy(Register holder_reg, Register scratch1,
-                              Register scratch2, Label* miss);
-
   void GetNumberHash(Register r0, Register scratch);
 
   // ---------------------------------------------------------------------------