[NEOS-1811] Remove Connection Retries from Backend calls

When issuing DB connections to user DBs from the backend, we shouldnt use the sql retry because it causes socket hangups if the DB connection is not valid. This wasn't an issue until we baked in the connection retry logic deep into the sql connector. _{From [SyncLinear.com](https://synclinear.com) | [NEOS-1811](https://linear.app/nucleus-cloud/issue/NEOS-1811/remove-connection-retries-from-backend-calls)}