Fix repository cleanup on delete

[N-o-Z]

Currently when deleting a repository we delete the following repo data:

• branches
• tags
• commits

We are missing:

• settings
• link addresses
• imports ....

We should possibly iterate over repo partition and simply delete keys directly instead of deleting by object type

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[github-actions[bot]]

This issue is now marked as stale after 90 days of inactivity, and will be closed soon. To keep it, mark it with the "no stale" label.