The KS lines in this MR turned out to crash in a recent production due to the
monitor function in the TightCuts.
I grep-ed through the directory and fixed all DecFiles with this command.
Concerns @acasaisv @fdettori @mramospe
The ancient decay-in-flight B2hh samples from MarcO are actually designed to take ages. (those are now removed from this MR, as they will receive different treatment)