MuonTrackSummaryHelperTool: Remove duplicate property (!23080) · Merge requests · atlas / athena · GitLab

Frank Winklmeier requested to merge fwinkl/athena:muon_tracksummary into master Apr 30, 2019

Remove duplicate property MdtPrepDataContainer, which was declared both in the .cxx and .h file.
Move all properties to new style properties.
Fix indentation in .h file.
Move private header to src directory