Remove Xfconf dependency
Closes #60 (closed).
For when xfce/xfce4-settings!57 (merged) is released (see xfce/xfce4-dev-tools!52 (merged)).
Closes #60 (closed).
For when xfce/xfce4-settings!57 (merged) is released (see xfce/xfce4-dev-tools!52 (merged)).