CBQE-0: versions used for upgrade were deleted from latestbuilds

Change-Id: I21289c923f5fc63d0f79a0d08b7d126b300e6893
Reviewed-on: http://review.couchbase.org/27284
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>