Yes, you can remove the footer text from the form by performing the below steps-
- Go to Setup --> Custom Settings --> Click on the 'UpdateContactDetails' Custom setting.
- After you click on the 'UpdateContactDetails' Custom setting, The custom setting definition page is opened. Click on the Manage button on the top.
- Click on the Edit button --> Uncheck the Hide Footer Text option and click the Save button.
Now, the footer text will not be shown on your form.