[gtk+] (10 commits) Non-fast-forward update to branch wip/matthiasc/kill-device-manager

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/kill-device-manager' 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:

  3243c85... Export some entry functions privately
  2532e39... Add an emoji completion popup
  22fdee7... Add emoji completion to GtkEntry
  1b01780... widget-factory: add emoji completion to an entry
  f52da7a... emoji completion: Use event API
  7dda582... emoji completion: Add a variation selector
  b70f6d3... widget: Don't use GdkDeviceManager
  5229eff... window: Don't use GdkDeviceManager
  bf98084... treeview: Don't use GdkDeviceManager
  110e086... Drop gdk_display_get_device_manager API
  5f8e048... gdk: Move gdk_disable_multidevice tot he X11 backend
  35aaf23... Drop support for setting event masks for floating devices
  f4741c4... Don't mention GdkDeviceManager in docs
  3be6536... Drop GdkDeviceManager APIs
  b0d340b... broadway: Stop using GdkDeviceManager
  6734b03... broadway: Remove devicemanager implementation

Commits added to the branch:

  670913e... widget: Don't use GdkDeviceManager
  b36f856... window: Don't use GdkDeviceManager
  d5f448d... treeview: Don't use GdkDeviceManager
  6f98647... Drop gdk_display_get_device_manager API
  9a162bd... gdk: Move gdk_disable_multidevice tot he X11 backend
  3bf9fdc... Drop support for setting event masks for floating devices
  e30375b... Don't mention GdkDeviceManager in docs
  8f6bd97... Drop GdkDeviceManager APIs
  f127e2a... broadway: Stop using GdkDeviceManager
  c08a58b... broadway: Remove devicemanager implementation