aggregateChanges: Remove unused argument folder.
aggregateChanges: Remove unused argument folder.

plouj/syncthing-inotify,plouj/syncthing-inotify,imsodin/syncthing-inotify,syncthing/syncthing-inotify,imsodin/syncthing-inotify,syncthing/syncthing-inotify,syncthing/syncthing-inotify,plouj/syncthing-inotify,imsodin/syncthing-inotify