chat-cli: remove unnecessary %gu scry
This is now redundant as chat-store will always boot before chat-cli.
::
++ catch-up
^- (quip card _state)
- ?. .^(? %gu /(scot %p our.bowl)/chat-store/(scot %da now.bowl))
- [~ state]
=/ =inbox
(scry-for inbox %chat-store /all)
|- ^- (quip card _state)
