Remove service-compiler related code.

samples/todomvc/ios/TodoMVC/AddTodoItemViewController.mm

-// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE.md file.
-
-#import "AddTodoItemViewController.h"
-
-@interface AddTodoItemViewController ()
-
-@property (weak, nonatomic) IBOutlet UITextField *textField;
-@property (weak, nonatomic) IBOutlet UIBarButtonItem *saveButton;
-
-@end
-
-@implementation AddTodoItemViewController
-
-- (void)viewDidLoad {
-    [super viewDidLoad];
-    // Do any additional setup after loading the view.
-}
-
-- (void)didReceiveMemoryWarning {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
-}
-
-#pragma mark - Navigation
-
-// In a storyboard-based application, you will often want to do a little preparation before navigation
-- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
-    // Get the new view controller using [segue destinationViewController].
-    // Pass the selected object to the new view controller.
-  if (sender != self.saveButton || self.textField.text.length <= 0) {
-    self.todoItem = nil;
-    return;
-  }
-  self.todoItem = [[TodoItem alloc] init];
-  self.todoItem.itemName = self.textField.text;
-  self.todoItem.completed = NO;
-}
-
-@end