More than 24 years after “Survivor” revolutionized unscripted competition television; some 22 years after “The Bachelor” handed out its first rose; and many, many moons after TLC traded informational programming for “90-Day Fiancé,” Hallmark Media is entering the reality TV Hunger Games. Do not be surprised, then, if you suddenly start hearing your co-workers gush about their new “guilty” pleasure …