Remove potentially legacy working commits call/table

> [!NOTE]
> Migrated from [augurlabs/augur#3323](https://github.com/augurlabs/augur/issues/3323)
> Originally opened by `@MoralCode` on 2025-10-21

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https://github.com/chaoss/augur/blob/c5eeb072ae5c541e5fbb56295b3afab5dffaf4b0/augur/tasks/git/facade_tasks.py#L335C5-L335C49

this line prompted a disussion with @IsaacMilarky

It seems like this line is from legacy facade where it would collect into a working_commits table (so it could pick up a partial collection where it left off) and then at the end it would transfer them to the commits table.

As far as i can see, analyze_commits_in_parallel calls this https://github.com/chaoss/augur/blob/c5eeb072ae5c541e5fbb56295b3afab5dffaf4b0/augur/application/db/lib.py#L212

which uses the ORM Commit object https://github.com/chaoss/augur/blob/main/augur/application/db/models/augur_data.py#L1261
to write directly to the `commits` table

so this may need to be removed along with the table it refers to (although maybe an audit is necessary)