Cleanups of SCT_Monitoring package (ATLASDQ-679)

Cleanups of SCT_Monitoring package

• Remove malloc.
• Remove auto.
• Remove duplicated m_eventInfoKey.
• Remove unused m_stream.
• Fix m_eventInfoKey in SCT_MotherTriggerMonTool.
• Use static_cast.
• Use std::unique_ptr to remove delete if possible.
• Use ATH_CHECK instead of CHECK.
• Use range based for loop.
• Use indexFind instead of for loops.
• Use default destructor.
• Clean up codes (move initialization to DeclareProperty).
• Move cArrayUtilities.h to the iside of SCTHitsNoiseMonTool.cxx.
• Move default values from Python to C++.
• Replace clear1D using memset by {}.

https://its.cern.ch/jira/browse/ATLASDQ-679