not that i Know of…however if you want drop all quests:
to clear all…ALL ALL quests in your logs use the following macro:
Warning it will clear everything.
/run for i=1,C_QuestLog.GetNumQuestLogEntries() do C_QuestLog.SetSelectedQuest(C_QuestLog.GetInfo(i).questID); C_QuestLog.SetAbandonQuest(); C_QuestLog.AbandonQuest(); end