View file PF.Base/module/friend/install/version/4.4.0.xml.php

<phpfox_update_user_group_settings>
    <setting>
        <is_admin_setting>0</is_admin_setting>
        <module_id>friend</module_id>
        <type>boolean</type>
        <admin>true</admin>
        <user>true</user>
        <guest>false</guest>
        <staff>true</staff>
        <module>friend</module>
        <ordering>0</ordering>
        <value>link_to_remove_friend_on_profile</value>
    </setting>
</phpfox_update_user_group_settings>