Cleanups of SCT_Monitoring package (ATLASDQ-679)
- Change mode to 644.
- Remove unused deletePointers.h.
- Use ATH_MSG macros.
- Remove useless comments.
- Replace user defined 3.1415927 by M_PI of cmath in SCTHitEffMonTool.cxx.
Preparation for https://its.cern.ch/jira/browse/ATLASDQ-679
Tag @shhirose
Edited by Susumu Oda