Remove tcp-check connect option for redis on haproxy
Remove tcp-check connect option for redis on haproxy

tcp-check connect option for redis on haproxy.cfg causes the client
connections in the redis-server to grow continuously and reaches the max
limit resulting in connection failure/response error for requests from
collector and other analytics services to redis.

Change-Id: If088ba40e7f0bc420a753ec11bca9dd081ffb160
Partial-Bug: #1648601

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils