[gnome-music] (4 commits) Non-fast-forward update to branch wip/jfelder/simplify-player-model

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/simplify-player-model' 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:

  4fe6241... player: Refactor currentTrackUri attribute
  ff0ec6e... player: Remove field parameter from set_playlist
  75262cf... views: Rely on running_playlist to update_model
  5ad7aff... player: Use its own simplified model

Commits added to the branch:

  74c7325... player: Refactor currentTrackUri attribute
  ce6a210... player: Remove field parameter from set_playlist
  80e72b9... views: Rely on running_playlist to update_model
  a11cb89... player: Use its own simplified model