CBLT-252:  comment out ZIP file creation, uploading

Change-Id: Idad69f85b191b9a2032209da78e90160cbf3e4c3
Reviewed-on: http://review.couchbase.org/35318
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>