[macro-assembler] Delete unused JumpIfNotObjectType

Bug: 
Change-Id: Ic305df479b7e059b312bb06842814b992e2ab140
Reviewed-on: https://chromium-review.googlesource.com/707147
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48397}

src/arm64/macro-assembler-arm64.cc

@@ -2630,15 +2630,6 @@ void MacroAssembler::JumpIfObjectType(Register object,
 }
 
 
-void MacroAssembler::JumpIfNotObjectType(Register object,
-                                         Register map,
-                                         Register type_reg,
-                                         InstanceType type,
-                                         Label* if_not_object) {
-  JumpIfObjectType(object, map, type_reg, type, if_not_object, ne);
-}
-
-
 // Sets condition flags based on comparison, and returns type in type_reg.
 void MacroAssembler::CompareObjectType(Register object,
                                        Register map,

src/arm64/macro-assembler-arm64.h

@@ -1899,12 +1899,6 @@ class MacroAssembler : public TurboAssembler {
                         Label* if_cond_pass,
                         Condition cond = eq);
 
-  void JumpIfNotObjectType(Register object,
-                           Register map,
-                           Register type_reg,
-                           InstanceType type,
-                           Label* if_not_object);
-
   // Compare instance type in a map.  map contains a valid map object whose
   // object type should be compared with the given type.  This both
   // sets the flags and leaves the object type in the type_reg register.