Ignore delivery problems with drops

src/Protocol/ActivityPub/Delivery.php

@@ -144,6 +144,11 @@ class Delivery
 						if (!empty($actor)) {
 							$drop = !ActivityPub\Transmitter::sendRelayFollow($actor);
 							Logger::notice('Resubscribed to relay', ['url' => $actor, 'success' => !$drop]);
+						} elseif ($cmd = WorkerDelivery::DELETION) {
+							// Remote systems not always accept our deletion requests, so we drop them if rejected.
+							// Situation is: In Friendica we allow the thread owner to delete foreign comments to their thread.
+							// Most AP systems don't allow this, so they will reject the deletion request.
+							$drop = true;
 						}
 
 					}