title: Airflow modified security not working as expected
body: <p>I am running Airflow from the source code. The first-time build/install went smoothly. As part of customization, I am trying to hide the menu <strong>Docs</strong> for all the roles.</p>
  <p>After referring to the page <a href="https://airflow.apache.org/docs/apache-airflow/stable/security/access-control.html" rel="nofollow noreferrer">https://airflow.apache.org/docs/apache-airflow/stable/security/access-control.html</a>, I (roughly) understood default roles within Airflow.</p>
  <p>In the source, I found the code in <em><strong>apache-airflow/airflow/www/security.py</strong></em></p>
  <p>And the Admin role is defined as below,</p>
  <pre><code>{
    'role': 'Admin',
    'perms': VIEWER_PERMISSIONS + USER_PERMISSIONS + OP_PERMISSIONS + ADMIN_PERMISSIONS,
  }
  </code></pre>
  <p>So the viewing Docs menu is enabled at the viewer level. I commented the lines related to Docs.</p>
  <pre><code>(permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_BROWSE_MENU),
  (permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_DAG_RUN),
  #Commenting Docs 
  #(permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_DOCS),
  #(permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_DOCS_MENU),
  (permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_JOB),
  (permissions.ACTION_CAN_ACCESS_MENU, permissions.RESOURCE_AUDIT_LOG),
  </code></pre>
  <p>After making the above code change, I have re-build/installed the Airflow and still seeing the Docs menu for the Admin users.</p>
  <p>Am I missing anything here? Please suggest.</p>