MB-100: Autofailover quota in cbrecoverytests

- Getting rid of resetting the autofailover quota

Change-Id: I730dfbf0cf51874d3f1622c1549dd8d89978bcb1
Reviewed-on: http://review.couchbase.org/27124
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>