Remove unnecessary unwrap in core::crypto::keys::get_key_revisions
Remove unnecessary unwrap in core::crypto::keys::get_key_revisions

Signed-off-by: Andrew Hobden <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@hoverbear.org>

habitat-sh/habitat,rsertelon/habitat,habitat-sh/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,rsertelon/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat