Remove obsolete functionality from the MacroAssemblers.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 8898f7bae02ed1ef1c8743bdf1dca6846f65948d..c67d955a897e4dfc67623626f334f02f3b92f279 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -3446,9 +3446,9 @@ void MacroAssembler::GetMapConstructor(Register result, Register map,
   Label done, loop;
   movp(result, FieldOperand(map, Map::kConstructorOrBackPointerOffset));
   bind(&loop);
-  JumpIfSmi(result, &done);
+  JumpIfSmi(result, &done, Label::kNear);
   CmpObjectType(result, MAP_TYPE, temp);
-  j(not_equal, &done);
+  j(not_equal, &done, Label::kNear);
   movp(result, FieldOperand(result, Map::kConstructorOrBackPointerOffset));
   jmp(&loop);
   bind(&done);