How to remove the required attribute in Quote email form fields

To remove the required attributes for the Quote email form fields, copy and paste the following code to the theme functions.php file.

add_filter('wpcvr_quote_email_required', '__return_false' );

To disable the Quote email notification functionality in Quote form, copy and paste the following code to the theme functions.php file.

add_filter('wpcvr_send_quote_email', '__return_false' );