Remove `anyhow` from `tor-config` crate
This was originally thought for [1], but it was only a coincidental catch, since, actually, there are no non-experimental public APIs in arti
that expose anyhow
, so the issue has been closed. See @nickm's comment [2] for more info.
[1] - #539 (closed)
[2] - #539 (comment 2832588)