EventPrimitivesHelpers.h cleanup

Build area was cleaned as per request posted in the DB. The full software build will be performed

There were multiple CI triggers for this MR and commit. The system ignored duplicates but the GitLab pipeline status may incorrectly show the job as failed. Once the remaining job finished running, the CI results will be posted as usual.

This merge request affects 2 packages:

Event/EventPrimitives
Event/xAOD/xAODEgamma

Affected files list will not be printed in this case

Adding @akraszna ,@rbianchi as watchers

added EDM Egamma analysis-review-required master review-pending-level-1 labels

Build area was cleaned as per request posted in the DB. The full software build will be performed

There were multiple CI triggers for this MR and commit. The system ignored duplicates but the GitLab pipeline status may incorrectly show the job as failed. Once the remaining job finished running, the CI results will be posted as usual.

changed the description

CI Result SUCCESS (hash a1aafdc7)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 63023]