chore(files_trashbin): fixup typo in Trashbin class

Signed-off-by: Josh <josh.t.richards@gmail.com>

Author: joshtrichards

apps/files_trashbin/lib/Trashbin.php

@@ -254,7 +254,7 @@ public static function move2trash($file_path, $ownerOnly = false) {
 		[$owner, $ownerPath] = self::getUidAndFilename($file_path);
 
 		// if no owner found (ex: ext storage + share link), will use the current user's trashbin then
-		if ($owner === null)) {
+		if ($owner === null) {
 			$owner = $user;
 			$ownerPath = $file_path;
 		}