[mutter] (4 commits) Non-fast-forward update to branch bilelmoussaoui/drop-zenity

[Marge Bot <marge-bot src gnome org>]

The branch 'bilelmoussaoui/drop-zenity' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  627d264... default-plugin: Drop default confirm display dialog
  b38b536... core: Drop the default close dialog implementation
  f76bfb2... x11/sm: Drop the zenity confirmation dialog
  d6832a0... core: Drop zenity show_dialog

Commits added to the branch:

  0e092ad... default-plugin: Drop default confirm display dialog
  749b9be... core: Drop the default close dialog implementation
  4dee531... x11/sm: Drop the zenity confirmation dialog
  97fc21a... core: Drop zenity show_dialog