Remove obsolete functionality from the MacroAssemblers.

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 a126e55ac671fb5a73c86eb299ac80106ac3000b..5e1d2c6253c2022fad0ab860ec85bde1f13c580e 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -977,16 +977,6 @@ class MacroAssembler: public Assembler {
                       InvokeFlag flag,
                       const CallWrapper& call_wrapper);
 
-
-  void IsObjectJSObjectType(Register heap_object,
-                            Register map,
-                            Register scratch,
-                            Label* fail);
-
-  void IsInstanceJSObjectType(Register map,
-                              Register scratch,
-                              Label* fail);
-
   void IsObjectJSStringType(Register object,
                             Register scratch,
                             Label* fail);