Currently Ubuntu 16.04 template has stuff installed on its tier 1. We
want to have a clean installed tier 1 and install everything on it
during provisioning. This will save some disk space on our hosts.

Task-number: QTQAINFRA-1574
Change-Id: Ia7e6df62835a8e31943c00996f12ac70c6c71aed
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>