The file that generates the link can be found in the path
/administrator/components/com_phocamaps/helpers/phocamaps.php
Scroll down until you get to the function:
function getInfo() {
return base64_decode(‘PGRpdiBzdHlsZT0idGV4dC1hbGlnbjogcmlnaHQ7IGNvbG9yOiByZ2IoMjExLCAyMTEsIDIxMSk7IGNsZWFyOiBib3RoOyBtYXJnaW4tdG9wOiAxMHB4O21hcmdpbi1ib3R0b206MTBweDsiPlBvd2VyZWQgYnkgPGEgaHJlZj0iaHR0cDovL3d3dy5waG9jYS5jeiIgc3R5bGU9InRleHQtZGVjb3JhdGlvbjogbm9uZTsiIHRhcmdldD0iX2JsYW5rIiB0aXRsZT0iUGhvY2EuY3oiPlBob2NhPC9hPiA8YSBocmVmPSJodHRwOi8vd3d3LnBob2NhLmN6L3Bob2NhbWFwcyIgc3R5bGU9InRleHQtZGVjb3JhdGlvbjogbm9uZTsiIHRhcmdldD0iX2JsYW5rIiB0aXRsZT0iUGhvY2EgTWFwcyI+TWFwczwvYT48L2Rpdj4=’);;
}
and replace with the following
function getInfo() {
return null;
}