[assembler] Remove obsolete InvokeBuiltin macro.

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index 3f3b41d4f92d4cec951ec04f5b5055c0d24dacc9..f7c689a2391475abbddab62f8aaacda0024a62c6 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -326,10 +326,6 @@ class MacroAssembler: public Assembler {
                       const ParameterCount& actual, InvokeFlag flag,
                       const CallWrapper& call_wrapper);
 
-  // Invoke specified builtin JavaScript function.
-  void InvokeBuiltin(int native_context_index, InvokeFlag flag,
-                     const CallWrapper& call_wrapper = NullCallWrapper());
-
   // Store the function for the given builtin in the target register.
   void GetBuiltinFunction(Register target, int native_context_index);