Apply clang-format

removed hist_compare_api binary
applied clang-format
applied clang-format after rebaseing
removed macro/qa/run_commit_out.sh
updated the function name with upper case in configEditor.h
updated all .cxx and .h file with licence header
removed artifacts of the rebase in analysis/PWGDIL/dielectron/conversion/CbmAnaConversion.cxx and sim/detectors/fsd/CbmFsdDigitize.cxx
applied clang-format and added external lib which was deleted