TrkVolumes,TrkGeometry rm some un-nneeded mutable

TrkVolumes,TrkGeometry rm some un-nneeded mutable

This merge request affects 2 packages:

• Tracking/TrkDetDescr/TrkGeometry
• Tracking/TrkDetDescr/TrkVolumes

Affected files list will not be printed in this case

Adding @amorley as watcher

added Tracking master review-pending-level-1 labels

CI Result SUCCESS (hash 8144efb4)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
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
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 58785]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 43ceb772

added sweep:ignore label