Add UTClusterCreator_Monitor and adapt to UTDigit (@xuyuan)

• UTClusterCreator_Monitor is a new temporary algorithm, constructing UTClusters from UTDigits, only will be used for the monitoring.
• Use of UTDigit->clone() is removed (following LHCb!2631 (merged))
• The unused UTVeloDigitsMerge algorithm is removed (following LHCb!2631 (merged))

The changes here were originally part of !504 (merged). See there for discussions and review.

Goes together with LHCb!2631 (merged), Boole!317 (merged), Rec!2240 (merged), Moore!695 (merged)

added Monitoring UT lhcb-head-2 new feature + 1 deleted label

@xuyuan @pkoppenb I have isolated here only the changes for the new UT format. I will adapt !504 (merged) and the test labels accordingly.

@sponce @lpica I will test the UT format alone in tonight's lhcb-head-2. Once merged, we'll put back the cleanup MRs.

changed the description

mentioned in merge request !504 (merged)

changed the description

changed title from Add UTClusterCreator_Monitor and adapt tp UTDigit to Add UTClusterCreator_Monitor and adapt to UTDigit

changed title from Add UTClusterCreator_Monitor and adapt to UTDigit to Add UTClusterCreator_Monitor and adapt to UTDigit (@xuyuan)

mentioned in merge request LHCb!2631 (merged)

mentioned in merge request Boole!317 (merged)

mentioned in merge request Rec!2240 (merged)

mentioned in merge request Moore!695 (merged)

• [2020-12-12 00:23] Validation started with lhcb-gauss-dev#2605
• [2020-12-12 00:39] Validation started with lhcb-head-2#112

resolved all threads

approved this merge request

removed lhcb-head-2 + 1 deleted label

unassigned @rmatev

merged

mentioned in commit 3490767c

mentioned in merge request lhcb-conddb/SIMCOND!118 (merged)

mentioned in issue Moore#237 (closed)