metadata-store: update +remove
Fixes urbit/landscape#428
:: and looking for the entry with an app-path that is similar to the
:: title of the channel
::
-/- *metadata-store
+/- metadata=metadata-store
/+ resource
:- %say
|= $: [now=@da eny=@uvJ =beak]
- [[group=term app=term =path ~] ~]
+ [[group=term app=term rid=resource ~] ~]
==
:- %metadata-action
-^- metadata-action
-[%remove (en-path:resource [p.beak group]) app path]
+^- action:metadata
+[%remove [p.beak group] app rid]
