Drop all deprecated uses of `args` in component factories

swh.storage and swh.objstorage, as well as swh.indexer itself, have deprecated using an explicit args in their factories for a while; we can drop them now.

Test Plan

tox doesn't show any deprecation warnings

---

Migrated from D4481 (view on Phabricator)

\o/

Merge request was accepted

approved this merge request

Build is green

Patch application report for D4481 (id=15900)

Rebasing onto 5de2b6e4...

Current branch diff-target is up to date.

Changes applied before test

commit 440961d06c444a1412fefeea5cfdefe198184177
Author: Nicolas Dandrimont <nicolas@dandrimont.eu>
Date:   Fri Oct 9 13:42:19 2020 +0200

    Drop all deprecated uses of `args` in component factories
    
    swh.storage and swh.objstorage, as well as swh.indexer itself, have deprecated
    using an explicit `args` in their factories for a while; we can drop them now.

See https://jenkins.softwareheritage.org/job/DCIDX/job/tests-on-diff/120/ for more details.

Merge request was merged

closed