cleanup, unused code

[lkwg82]

Purpose

cleanup, remove unused code while reading the source

Testing

compile

[AudriusButkevicius]

@st-review merge

[st-review]

⛔ Merge failed:

$ git fetch -f origin refs/pull/3004/head:pr-3004
$ git fetch -f origin master:orig/master
$ git reset --hard
HEAD is now at 4aa6ecb lib/model: Do not use WRONLY (ref #2584)
$ git checkout master
Already on 'master'
Your branch is up-to-date with 'origin/master'.
$ git reset --hard orig/master
HEAD is now at 4aa6ecb lib/model: Do not use WRONLY (ref #2584)
$ git clean -fxd
Skipping repository syncthing/syncthing
$ git merge --squash --no-commit pr-3004
Updating 4aa6ecb..98bfd31
Fast-forward
Squash commit -- not updating HEAD
 lib/config/wrapper.go | 5 -----
 1 file changed, 5 deletions(-)
$ git commit -F -
******************************************************
* Commit message does not match the expected format: *
*                                                    *
*   some/tag: A longer description (fixes #1234)     *
*                                                    *
******************************************************

[AudriusButkevicius]

@st-review merge

lib/config: Remove dead code

[st-review]

👌 Merged as dffc345. Thanks, @lkwg82!