fix slots

enrollments-events/app/events/stopgap/enroll.py

@@ -24,11 +24,6 @@ logger = Logger(__name__)
 enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
 
 
-class DeduplicationConflictError(Exception):
-    def __init__(self, *args):
-        super().__init__('Enrollment already exists')
-
-
 @event_source(data_class=EventBridgeEvent)
 @logger.inject_lambda_context
 def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool: