[errors] Improve NotGeneric error message

src/runtime/runtime-internal.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/arguments.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 270 matching lines @@
 }
 
 RUNTIME_FUNCTION(Runtime_ThrowNotConstructor) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
   THROW_NEW_ERROR_RETURN_FAILURE(
       isolate, NewTypeError(MessageTemplate::kNotConstructor, object));
 }
 
-RUNTIME_FUNCTION(Runtime_ThrowNotGeneric) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(1, args.length());
-  CONVERT_ARG_HANDLE_CHECKED(Object, arg0, 0);
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewTypeError(MessageTemplate::kNotGeneric, arg0));
-}
-
 RUNTIME_FUNCTION(Runtime_ThrowGeneratorRunning) {
   HandleScope scope(isolate);
   DCHECK_EQ(0, args.length());
   THROW_NEW_ERROR_RETURN_FAILURE(
       isolate, NewTypeError(MessageTemplate::kGeneratorRunning));
 }
 
 RUNTIME_FUNCTION(Runtime_ThrowApplyNonFunction) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
@@ skipping 267 matching lines @@
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate, NewTypeError(MessageTemplate::kSymbolIteratorInvalid));
   }
 
   return *isolate->factory()->NewJSAsyncFromSyncIterator(
       Handle<JSReceiver>::cast(sync_iterator));
 }
 
 }  // namespace internal
 }  // namespace v8