Use aiokafka for creating topics and clean-up instead of kafka-python-ng

[nerdai]

As of v 0.0.11, KafkaMessageQueue requires kafka-python-ng to use its admin client for creating topics and deleting topics/consumer groups. This is because the aiokafka package has some issues with resolving api version between the library and the Kafka broker.

Once this gets resolved in aiokafka we should use it exclusively for this integration.

Acceptance Criteria:

1. use AioKafkaAdminClient for create_topic and clean_local methods
2. use AioKafkaAdminClient in deregister_consumer to delete a topic if there would be no more consumers subscribed to the topic to which the deregistered consumer subscribed.