Mopidy: Remove config file from tracking

It contains a sensitive API key

.config/mopidy/mopidy.conf

@@ -1,24 +0,0 @@
-[core]
-cache_dir = ~/.config/mopidy
-config_dir = ~/.config/mopidy
-data_dir = ~/.config/mopidy
-
-[logging]
-config_file = /etc/mopidy/logging.conf
-debug_file = /var/log/mopidy/mopidy-debug.log
-
-[local]
-data_dir = ~/.config/mopidy/local
-media_dir = ~/Music
-scan_timeout = 10000
-
-[m3u]
-playlists_dir = ~/Music/Playlists
-
-[youtube]
-enabled = true
-
-[soundcloud]
-enabled = true
-explore_songs = 50
-auth_token = 1-35204-100376744-d1083c37e92bde