CBQE-0: Remove include_docs from Mac conf file

Change-Id: I10f6936f7d21698f6f70ff01ab0727fb53e467cb
Reviewed-on: http://review.couchbase.org/40099
Reviewed-by: Volker Mische <volker.mische@gmail.com>
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Reviewed-by: Meenakshi Goel <meenakshi.goel@globallogic.com>
Tested-by: Meenakshi Goel <meenakshi.goel@globallogic.com>