PixelGeoModel: Thread-safety cleanups.

Remove static variables and ATLAS_NOT_THREAD_SAFE annotations.

WARNING: big files (>100K) are found in the changeset

124K in file InnerDetector/InDetDetDescr/PixelGeoModel/src/OraclePixGeoManager.cxx

This merge request affects 1 package:

• InnerDetector/InDetDetDescr/PixelGeoModel

Adding @goetz ,@lshan ,@battagl ,@sroe ,@stsuno as watchers

added InnerDetector master review-pending-level-1 labels

CI Result SUCCESS (hash b5975fb0)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 20952]

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

merged

mentioned in commit a7ad75f5

added sweep:ignore label