I think you might be able to delete your post.... I found this answer on how to delete online..
I haven't tried it out yet but i hope it works for you. Take care! [edit your post and title and erase the content and use topic "spam" for your "new" post]

P.s. I have a free $30 gift card am giving away on my page. I would appreciate if you help to Re-steem the post.. I plan to give them away at every milestone of followers i attain. Thanks ahead.. cheers!