Revert "RabbitMQ Cluster: make quorum default queue type (#1238)" (#1239)

This reverts commit 797bd15.

Author: YuryHrytsuk

services/rabbit/configs/rabbitmq.conf.j2

@@ -23,7 +23,3 @@ quorum_queue.initial_cluster_size = {{ RABBIT_QUORUM_QUEUE_DEFAULT_REPLICA_COUNT
 # https://www.rabbitmq.com/docs/networking#proxy-protocol
 # WARNING: this forces clients to use a proxy (direct access to nodes does not work)
 proxy_protocol = true
-
-# Set the default queue type to quorum to benefit from RabbitMQ Cluster
-# (to be highly available by default). This does not enforce queue type though
-default_queue_type = quorum