refactor: remove obsolete assignments due to calculateTrackQuantities()

[AJPfleger]

With calculateTrackQuantities(track); we reset track.nMeasurements() and track.nHoles(), no need to set them before.

[codecov]

Codecov Report

Merging #2487 (e4d2bce) into main (ffc9e12) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2487   +/-   ##
=======================================
  Coverage   49.84%   49.85%           
=======================================
  Files         466      466           
  Lines       26250    26248    -2     
  Branches    12034    12032    -2     
=======================================
  Hits        13085    13085           
  Misses       4615     4615           
+ Partials     8550     8548    -2     

Files	Coverage Δ
Core/include/Acts/TrackFitting/KalmanFitter.hpp	43.13% <ø> (+0.24%)	⬆️

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[github-actions]

📊: Physics performance monitoring for e4d2bce

Full contents

physmon summary

• ✅ CKF truth_smeared
• ✅ IVF truth_smeared
• ✅ AMVF truth_smeared
• ✅ Track Summary CKF truth_smeared
• ✅ Seeding truth_estimated
• ✅ CKF truth_estimated
• ✅ IVF truth_estimated
• ✅ AMVF truth_estimated
• ✅ Track Summary CKF truth_estimated
• ✅ Seeding seeded
• ✅ CKF seeded
• ✅ IVF seeded
• ✅ AMVF seeded
• ✅ AMVF (+grid seeder) seeded
• ✅ Track Summary CKF seeded
• ✅ Seeding orthogonal
• ✅ CKF orthogonal
• ✅ IVF orthogonal
• ✅ AMVF orthogonal
• ✅ Track Summary CKF orthogonal
• ✅ Ambisolver seeded
• ✅ Ambisolver orthogonal
• ✅ Seeding ttbar
• ✅ CKF ttbar
• ✅ Ambisolver
• ✅ AMVF ttbar
• ✅ AMVF (+grid seeder) ttbar
• ✅ Truth tracking (GSF)
• ✅ Truth tracking
• ✅ Particles inital fatras
• ✅ Particles final fatras
• ✅ Particles inital geant4
• ✅ Particles final geant4