CCBC-221: Don't use iops in minimal.c

The iops usage is an advanced feature and is not needed in a normal
application. Generally only users already using an event loop should be
using this example.

Change-Id: I6ab62e385b07744119a3150608992d505af54685
Reviewed-on: http://review.couchbase.org/27088
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>