add last fm similar artists to db table

+ add db methods for the above
+ try and discard last fm store

app/setup/__init__.py

@@ -2,11 +2,10 @@
 Prepares the server for use.
 """
 from app.setup.files import create_config_dir
-from app.setup.sqlite import setup_sqlite, run_migrations
-
+from app.setup.sqlite import run_migrations, setup_sqlite
 from app.store.albums import AlbumStore
-from app.store.tracks import TrackStore
 from app.store.artists import ArtistStore
+from app.store.tracks import TrackStore
 
 
 def run_setup():