Use global externalKeyStore always, simplify initialization (#13056)
Use global externalKeyStore always, simplify initialization (#13056)

* Use global exteralKeyStore always, simplify initialization

* Fix, trace

* Another fix

* Again

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client