Remove obsolete functionality from the MacroAssemblers.

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 1e9aebd9a5c551e2c1d0eb2a9f5e5bd98cd79c76..a379d847ae597d4e6afe2600ef1b44b39aa89dd8 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -4217,24 +4217,6 @@ void MacroAssembler::InvokeFunction(Handle<JSFunction> function,
 }
 
 
-void MacroAssembler::IsObjectJSObjectType(Register heap_object,
-                                          Register map,
-                                          Register scratch,
-                                          Label* fail) {
-  ld(map, FieldMemOperand(heap_object, HeapObject::kMapOffset));
-  IsInstanceJSObjectType(map, scratch, fail);
-}
-
-
-void MacroAssembler::IsInstanceJSObjectType(Register map,
-                                            Register scratch,
-                                            Label* fail) {
-  lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
-  Branch(fail, lt, scratch, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
-  Branch(fail, gt, scratch, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE));
-}
-
-
 void MacroAssembler::IsObjectJSStringType(Register object,
                                           Register scratch,
                                           Label* fail) {