No impact on production scrubber as it's already set that way.
Simplify the staging scrubber configuration (and align with the one in production) [1]
[1]
```
$ $SWH_PUPPET_ENVIRONMENT_HOME/bin/octocatalog-diff --octocatalog-diff-args --no-truncate-details --to staging scrubber1.internal.softwareheritage.org
...
*** Running octocatalog-diff on host scrubber1.internal.softwareheritage.org
I, [2022-06-28T09:47:03.831901 #4057974] INFO -- : Catalogs compiled for scrubber1.internal.softwareheritage.org
I, [2022-06-28T09:47:04.118586 #4057974] INFO -- : Diffs computed for scrubber1.internal.softwareheritage.org
I, [2022-06-28T09:47:04.118620 #4057974] INFO -- : No differences
*** End octocatalog-diff on scrubber1.internal.softwareheritage.org
$ $SWH_PUPPET_ENVIRONMENT_HOME/bin/octocatalog-diff --octocatalog-diff-args --no-truncate-details --to staging scrubber0.internal.staging.swh.network
...
*** Running octocatalog-diff on host scrubber0.internal.staging.swh.network
I, [2022-06-28T09:47:18.538604 #4060441] INFO -- : Catalogs compiled for scrubber0.internal.staging.swh.network
I, [2022-06-28T09:47:18.817029 #4060441] INFO -- : Diffs computed for scrubber0.internal.staging.swh.network
diff origin/production/scrubber0.internal.staging.swh.network current/scrubber0.internal.staging.swh.network
*******************************************
File[/etc/softwareheritage/scrubber/postgres.yml] =>
parameters =>
content =>
@@ -8,9 +8,4 @@
db: host=db1.internal.staging.swh.network port=5432 user=guest dbname=swh password=guest
objstorage:
- cls: filtered
- storage_conf:
- cls: remote
- url: http://storage1.internal.staging.swh.network:5003/
- filters_conf:
- - type: readonly
+ cls: noop
_
*******************************************
*** End octocatalog-diff on scrubber0.internal.staging.swh.network
```