Remove 'tester' projects from min repo

These will be refactored and moved to a seperate repo on labs.

Change-Id: I1ef3d497a210d915f5c01f50a50baa9f17c704a8
Reviewed-on: http://review.couchbase.org/42410
Reviewed-by: Simon Baslé <simon@couchbase.com>
Reviewed-by: Jeffry Morris <jeffrymorris@gmail.com>
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>