Revert "[CLOUD-78] authz: re-enable user-centric perms syncing for user code host conns"
Created by: rafax
Reverts sourcegraph/sourcegraph#25884 - suspected cause of issues in https://app.incident.io/incidents/32
Created by: rafax
Reverts sourcegraph/sourcegraph#25884 - suspected cause of issues in https://app.incident.io/incidents/32