Scroll down on the given page. There you can ‘close’ = deactivate your account, but not delete it. No clarity about deletion = no spot on the white list, sorry. If you don’t see the ‘close’ link, or want more info, read: http://www.etsy.com/help/article/53?ref=help_search_result
If deactivation is not enough for you, you could try and request deletion: http://www.etsy.com/help/contact (select Member Privacy for topic), or at least anonymise your account, then deactivate.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.