What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You can remove or unshare it in the My Forms page. Select the form and then click the "More" button. After that, select the "Share as template" in the drop down.
If the form is in the templates gallery section then you will have an option to "Unshare Form".
Here's a complete guide: How you can share and unshare the form templates.
Hope that helps. Thank you.