Nuke the Enable 4chan's Extension setting.

src/General/Config.coffee

@@ -1,7 +1,6 @@
 Config =
   main:
     'Miscellaneous':
-      'Enable 4chan\'s Extension':    [false, 'Compatibility between <%= meta.name %> and 4chan\'s inline extension is NOT guaranteed.']
       'Desktop Notifications':        [true,  'Enables desktop notifications across various <%= meta.name %> features.']
       'Announcement Hiding':          [true,  'Add button to hide 4chan announcements.']
       '404 Redirect':                 [true,  'Redirect dead threads and images.']

src/General/Settings.coffee

@@ -11,18 +11,6 @@ Settings =
       el: link
       order: 111
 
-    # 4chan settings link
-    link = $.el 'a',
-      className:   'fourchan-settings-link'
-      textContent: '4chan Settings'
-      href:        'javascript:;'
-    $.on link, 'click', -> $.id('settingsWindowLink').click()
-    $.event 'AddMenuEntry',
-      type: 'header'
-      el: link
-      order: 110
-      open: -> Conf['Enable 4chan\'s Extension']
-
     Settings.addSection 'Main',     Settings.main
     Settings.addSection 'Filter',   Settings.filter
     Settings.addSection 'QR',       Settings.qr
@@ -33,7 +21,6 @@ Settings =
     $.on d, 'AddSettingsSection',   Settings.addSection
     $.on d, 'OpenSettings',         (e) -> Settings.open e.detail
 
-    return if Conf['Enable 4chan\'s Extension']
     settings = JSON.parse(localStorage.getItem '4chan-settings') or {}
     return if settings.disableAll
     settings.disableAll = true