if you want to delete completly you should edit the php file in sources or other way you can edit css file or add custom css code to dont show «No»words in the front-end of website.
div.directorypress-content-wrap .grid-fields-wrapper.inline-fields .directorypress-field-item {
display: none !important;
}
Hi, if you want I can help you, I'm working with wordpress and I did this a lot of times.Can i give you my login details and you it for me?