Removed out-of-scope startup tasks

It's not really necessary for Shuttle to comb through the MediaStore and try to repair year tags. That can be done using the tag editor anyway.

The same can be said for cleaning genres up. The 'delete old resources' code is legacy and not really relevant anymore.

app/src/main/java/com/simplecity/amp_library/ShuttleApplication.java

@@ -171,34 +171,6 @@ public void onCreate() {
                 .onErrorComplete()
                 .subscribeOn(Schedulers.io())
                 .subscribe();
-
-        Completable.timer(5, TimeUnit.SECONDS)
-                .andThen(Completable.defer(this::repairMediaStoreYearFromTags))
-                .doOnError(throwable -> LogUtils.logException(TAG, "Failed to update year from tags", throwable))
-                .onErrorComplete()
-                .subscribeOn(Schedulers.io())
-                .subscribe();
-
-        Completable.timer(10, TimeUnit.SECONDS)
-                .andThen(Completable.defer(this::cleanGenres))
-                .doOnError(throwable -> LogUtils.logException(TAG, "Failed to clean genres", throwable))
-                .onErrorComplete()
-                .subscribeOn(Schedulers.io())
-                .subscribe();
-
-        Completable.timer(15, TimeUnit.SECONDS)
-                .andThen(Completable.defer(this::cleanMostPlayedPlaylist))
-                .doOnError(throwable -> LogUtils.logException(TAG, "Failed to clean most played", throwable))
-                .onErrorComplete()
-                .subscribeOn(Schedulers.io())
-                .subscribe();
-
-        Completable.timer(20, TimeUnit.SECONDS)
-                .andThen(Completable.defer(LegacyUtils::deleteOldResources))
-                .doOnError(throwable -> LogUtils.logException(TAG, "Failed to delete old resources", throwable))
-                .onErrorComplete()
-                .subscribeOn(Schedulers.io())
-                .subscribe();
     }
 
     public RefWatcher getRefWatcher() {