db update to get rid of bogus activitypub xchans which got created due to a bug in the pubcrawl addon

Zotlabs/Update/_1219.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Zotlabs\Update;
+
+class _1219 {
+
+	function run() {
+		q("START TRANSACTION");
+
+		$r = q("DELETE FROM xchan WHERE
+			xchan_hash like '%s' AND
+			xchan_network = 'activitypub'",
+			dbesc(z_root()) . '%'
+		);
+
+		if($r) {
+			q("COMMIT");
+			return UPDATE_SUCCESS;
+		}
+		else {        
+			q("ROLLBACK");
+			return UPDATE_FAILED;
+		}
+	}
+
+}