We will likely re-add that dependency later as a feature (to
automatically provide an RPC instance if compiled with that feature)
but for now that dependency is unused.
Changelog-None Not user visible
This commit updates outdated dependencies and hangs all
bitcoin-related dependencies off of the `bitcoin` crate, using its
re-exports. This means that as long as the bitcoin crate matches, all
of its dependents will also match.
Changelog-None
