Stop saving thread_id in the data field of receipts_graph

[realtyem]

Noticed this while watching the Postgres logs, so went to look deeper and found

Which doesn't seem right. It's on a JsonDict, so it can be pop()ped instead of just being got().

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Signed-off-by: Jason Little [email protected]

[clokep]

Can you please provide more rationale for this? The thread ID is part of the data and should be stored as part of it.

We denormalize it so that we can easily query it.