The core_init_data only held three items, most of which don't get set
during testing. Removing this struct means several tests no longer need
to define a "dummy" initdata object to pass around during init.
Implements #92: Remove core_init_data
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
Everything has been merged into the playlist layer to better match how
playlists are actually used. This means we can remove the queue files.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>