Remove PixelDetectorManager of AthenaPoolTest (ATLASRECTS-5078)
Replace PixelDetectorManager of AthenaPoolTest by SiDetectorElementCollection in condition store
https://its.cern.ch/jira/browse/ATLASRECTS-5078
- AtlasTest/DatabaseTest/AthenaPoolTest/src/FakeTrackBuilder.cxx
- AtlasTest/DatabaseTest/AthenaPoolTest/src/FakeTrackBuilder.h
- AtlasTest/DatabaseTest/AthenaPoolTest/src/TrkTrackFakeReader.h
- AtlasTest/DatabaseTest/AthenaPoolTest/src/TrkTrackFakeWriter.cxx
- AtlasTest/DatabaseTest/AthenaPoolTest/src/TrkTrackFakeWriter.h