Update Murano gate job config

Changes:
* Removed deprecated repos from the projects list:
  there were lots of Murano repos in use, but during the last release cycle
  we decided to deprecate almost all of them and move all the funcionality
  to murano-api repo.
* Enabled murano-engine service

Change-Id: I4e007416d204e701b2a3b694622e6730ec097d3e
Merge "Update Murano gate job config"