Deposit: Clean up no longer used swh_anchor* ids

In a dedicated task because there are quite some technical impacts:

• !72 (closed): deposit specs and docs
• !72 (closed): deposit status read api
• !72 (closed): deposit tests in general...
• !72 (closed): deposit private update status api
• !72 (closed): deposit client cli
• loader-core: update the private api call to update the deposit status
• swh-web!320 (closed): swh-web: deposit admin cli
• swh-web!320 (closed): admin deposit ui which parses the output of the deposit admin cli
• icinga check on pergamon
• icinga-plugin deposit scenario

Also, that should should not prevent the main tasks to be closed. As a first milestone, the deposit are now using the new SWHIDs.

Note: After further analysis, striked entries are no longer impacted.

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Migrated from T2412 (view on Phabricator)