Yola offers you the option of purchasing Yola Silver or Yola Gold which includes the Yola Link removal. This is an account-level feature, so you can remove the Yola Link for all sites in your account! The Yola Link will no longer appear on your pages.
For more information about Yola Silver, please see Yola Silver FAQ.
For information about Yola Gold, please visit this link: Yola Gold FAQ.