disable openssl for Qt5 in ubuntu builds

4 jobs for qt5_ubuntu in 15 minutes and 5 seconds (queued for 3 seconds)
latest
Status Name Job ID Coverage
  Test
passed cc7 #1962756

00:05:19

passed slc6 #1962755

00:15:05

passed ubuntu16 #1962757

00:05:33

passed ubuntu18 #1962758

00:05:19