Revert "xinitrc: Use systemd to launch mpd/mpdscribble"

This reverts commit 08c143ae54ecea4596c4c88eba4f41a4a71dd037.

Conflicts:
	.xinitrc
Revert "systemd: Add mpdscribble service"

This reverts commit 840d768125895fd8a4b9ce138d5e073cf17db90b.
Revert "systemd: Add urxvtd service"

This reverts commit 87bbae57d5d0d3d9d04861fffee4d98b801cd481.

Conflicts:
	.config/systemd/user/urxvtd@.service
Revert "xinitrc: Launch urxvtd with systemd"

This reverts commit dc85bc79ae14d5f99b2a851381056398e25d5ef1.

Conflicts:
	.xinitrc