Alert Tone genre

[illdeletethis]

v2.0.15

Xcover 5
Android 11

Description of bug:
genres list shows an empty genre called "Alert Tone", for which there are no music files in the selected library folder, and never will be

Steps to reproduce:

1. fresh install on devide with music folder on sd card
2. open app
3. look at genres tab

Expected outcome:
only genres with music files in them should show up

Observations/Actual Result:
all other genres shown are the ones with music in them, as expected, but Alert Tone shows up without anything in it