title: How to remove flutter observatory debugger and profiler for linux release?
body: <p>I am creating linux application and want remove flutter observatory debugger and profiler from final release.
  I added this on main.dart:</p>
  
  <pre><code>MaterialApp(
        debugShowCheckedModeBanner: false
  )
  </code></pre>
  
  <p>But, It's only remove banner from application.
  While i try to run (release):</p>
  
  <pre><code>user@user:~/Desktop/linux/myapp/build/linux/release$./myapp
  flutter: Observatory listening on http://127.0.0.1:36177/4MsXpokkp9k=/
  </code></pre>