core.config: Drop no longer used SWHConfig

All clients of this (loader, lister, indexer...) have migrated to use load_from_envvar or some derivative (pre-load_from_envvar) of it (deposit) instead.

$ grep -ri SWHConfig $SWH_ENVIRONMENT_HOME/*/swh/** | grep -v __pycache__
$

Close #1532 (closed)

Test Plan

tox

---

Migrated from D4178 (view on Phabricator)

Build is green

Patch application report for D4178 (id=14695)

Rebasing onto 82a47667...

Current branch diff-target is up to date.

Changes applied before test

commit 1657fb827f6d29254c23bbeaf28aba9c0b2015c0
Author: Antoine R. Dumont (@ardumont) <ardumont@softwareheritage.org>
Date:   Wed Oct 7 13:46:53 2020 +0200

    core.config: Drop no longer used SWHConfig
    
    All clients of this (loader, lister, indexer...) have migrated to use
    `load_from_envvar` or some derivative (pre-load_from_envvar) of it (deposit)
    instead.
    
    Related to #1532

See https://jenkins.softwareheritage.org/job/DCORE/job/tests-on-diff/90/ for more details.

Some references in the commit message have been migrated:

• T1532 is now #1532 (closed)

Merge request was accepted

approved this merge request

mentioned in commit swh-lister@2ff92ef4

Merge request was merged

closed