CaloTrackingGeometry: trackingGeometry is now thread-safe
Remove thread-checker attribute from trackingGeometry as that one is
now thread-safe as of !56469 (merged).
Closes ATLASRECTS-7252 and fixes compiler warning seen in CI.
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Remove thread-checker attribute from trackingGeometry as that one is
now thread-safe as of !56469 (merged).
Closes ATLASRECTS-7252 and fixes compiler warning seen in CI.