Drop SCTMotherTrigMonTool and SCTSummaryMonTool (ATLASDQ-679)

• Drop SCTMotherTrigMonTool and SCTSummaryMonTool.
• Use Gaudi properties in constructors.
• Use int, long, double, float, bool instead of Int_t, Long_t, Double_t, Float_t, Bool_t.
• Remove magic numbers.
• Move header files to the src directory.
• Use < in for loops instead of !=.
• Use not, and, or instead of !, &&, ||.
• Histograms of q431 and q221 tests were unchanged by this MR.

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