Change called method names

- Add GlobalContact::getRandomUrl
- Rename Contact::getIdForURL
- Rename Diaspora::sendUnshare
- Remove unused parameter $self in Contact::terminateFriendship

src/Protocol/PortableContact.php

@@ -401,7 +401,7 @@ class PortableContact
 							}
 						}
 
-						$location = formatted_location($noscrape);
+						$location = Profile::formatLocation($noscrape);
 						if ($location) {
 							$contact["location"] = $location;
 						}