The source project of this merge request has been removed.
application: Remove redundant code
application: Remove redundant code
Help action was removed with version 3.12.0. Remove redundant code.
application: Add Quit shortcut support
To comply GNOME HIG, add Ctrl+Q and Ctrl+W shortcut support for quit action. More information: https://developer.gnome.org/hig/reference/keyboard.html