[BUG] skip_cover_art option didn't work

**Describe the bug**
If set skip_cover_art option to True, it won't work for a mp3 song, cover still appears on a song.

**To Reproduce**
skip_cover_art = True

**Expected behavior**
No cover for a song.

**Desktop (please complete the following information):**
 - OS: Ubuntu 22.04
 - Version: https://github.com/stschake/savify@f34ea2c8bba03f3ead13a988bc8a44b7c2a34d9f
