Remove an unused label.
Remove an unused label.

All references to it were removed in "use assertions instead of
wocky_goto_if_fail and wocky_goto_if_reached".

noonien-d/wocky,noonien-d/wocky,freedesktop-unofficial-mirror/wocky,noonien-d/wocky,freedesktop-unofficial-mirror/wocky,freedesktop-unofficial-mirror/wocky