Revert of [Interpreter] Implements calls through CallICStub in the interpreter.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 4edbc9998aaad67f96a2566600c9014b61e7a4c4..f370ce64735e994c84591d0316967d45c1cd9cd8 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -974,13 +974,9 @@
   }
 
  protected:
-  int arg_count() const {
-    DCHECK(!argc_in_register());
-    return state().argc();
-  }
+  int arg_count() const { return state().argc(); }
   ConvertReceiverMode convert_mode() const { return state().convert_mode(); }
   TailCallMode tail_call_mode() const { return state().tail_call_mode(); }
-  bool argc_in_register() const { return state().argc_in_register(); }
 
   CallICState state() const {
     return CallICState(static_cast<ExtraICState>(minor_key_));