ext_disable.php

<?php
// ExtensionKey list which should be disabled if this current extension is installed
return [
    'felogin',
    'about',
    'adminpanel',
    'feedit',
    'form',
    'sys_note',
    'sys_action',
    't3editor',
    'taskcenter',
    'workspaces',
    'impexp'
];