TrigCostMonitorMT+ViewAlgs: Fix HLTUtils include path and package cleanup
TrigCostMonitorMT:
- Fix the HLTUtils include path and update cleanup link dependencies.
ViewAlgs:
- delete unused
TrigCompositeTraversal
- only build the relevant .cxx file into the library
- add missing include guards
- fix cmake link dependencies
Edited by Frank Winklmeier