delete login link

I want to solve a problem: how can I disable, ie do not make it appear, "posting comment as a guest. Sign up or login to your account. " In the items comments form?
thank you

This section can only be seen by users with a valid subscription.
If you have a valid subscription, please login now

Support is

It is currently a weekend from where we are at. Some answers may already be available on our documentation

Rest assured that we will get back to your posts as soon as the week starts!

Your time
Stack Ideas time