In the future, it's best to keep these kinds of things private. Just private message a moderator and ask them to politely merge or remove the threads. Also, inactivity isn't a great reason to have a thread removed from the forum. Posting to the correct sections or to one thread from the start would help you significantly. Creating multiple spam threads just creates the result you're currently stuck with (what I warned would happen months ago). Anyways, damage done, contact a moderator of the section and see what the staff here can do for you. Cheers.