remove couchdbkit from README
remove couchdbkit from README

Change-Id: I9792b2f021c70bae322a8748110ed270c3e7fd6d
Reviewed-on: http://review.couchbase.org/23780
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/cbmonitor,vmx/cbagent,couchbase/cbagent,ronniedada/litmus,pavel-paulau/cbagent,ronniedada/litmus,mikewied/cbagent,couchbase/cbmonitor