If you wish to close your account, you may go to your User Settings (gear icon at the right top) followed by Contact Info, there you will get "Close My Account" link at the right bottom of Account section.
Be noted that once you close your account you may not be able to create another account as it's against ToS of oDesk and results in Policy Violation.
I only want to delete my account because I clicked sign up, made an account, and then realized it filed me under client and I am a freelancer, and cannot figure out where I can go to switch the type of account.
You don't need to delete your account. You can add a freelancer profile to your existing account. In order to do it, please follow these steps:
I am trying to delete my account but there seems no way to do so. Indeed every time I click on "settings" it send me on the page to fill in the profile details (foto, expereince ect..).. as far as it doesn't work properly.. I am unable to finish the process and go through the page where you ask for the foto etc.. Please let me know how to delete the account.