Clean up of KalmanVertexOnJetAxisUpdator (ATLASRECTS-7768)
General clean up of KalmanVertexOnJetAxisUpdator. Split between different commits are:
- demote error messages to warnings, as they are typically related to check of matrix determinant and should not trigger an error (solves ATLASRECTS-7768)
- remove outdated
KalmanVertexUpdate_OLD
andUpdator_DEBUG
define - general clean up
Aiming at 23.0 as the error is affecting HI processing at Tier-0.