Remove delete from SCT_DistortionsTool using automatic allocation.

Remove delete from SCT_DistortionsTool using automatic allocation.

https://twiki.cern.ch/twiki/bin/viewauth/AtlasComputing/CodingGuidelines#new_and_delete

Do not use new and delete where automatic allocation will work. [auto-allocation-not-new-delete]

athena.py ../athena/InnerDetector/InDetDetDescr/SCT_ModuleDistortions/share/TestSCT_DistortionsTool.py

worked.