SIENTIAPDE-1169

Refactor OPC data writing and repository initialization

- Simplified success tracking logic in the OPC class for writing prediction and confidence data.
- Removed unused pod_id attribute from OpcRepository initialization.
- Updated test cases to include pod_id for improved metrics tracking during data writing operations.

laborious/utils/repository/opc_repository.py

@@ -93,7 +93,6 @@ class OpcRepository():
         )
         self.client.secure_channel_timeout = 10000000
         self.client.session_timeout = 10000000
-        self.pod_id = pod_id
 
     def connect(self) -> tuple[bool, dict[str, Any]]:
         """