In MakeTrack() use default track-propagator consistently if one is not set.
Bug #99394.


git-svn-id: https://root.cern.ch/svn/root/trunk@48203 27541ba8-7e3a-0410-8455-c3a389f83636
Remove functions that were deprecated in 5.26. These are still available up to
5.34 and they do print out an error when called.


git-svn-id: https://root.cern.ch/svn/root/trunk@48205 27541ba8-7e3a-0410-8455-c3a389f83636