Remove registered subscription from gall when sending %quit.
++ ap-move-quit :: give quit move
|= {sto/bone vax/vase}
^- {(each cove tang) _+>}
- :_ +>
+ :_ +>(sup.ged (~(del by sup.ged) sto))
?^ q.vax [%| (ap-suck "quit: improper give")]
[%& `cove`[sto %give `cuft`[%quit ~]]]
::
