add moved files to clean up ajax folder

apps/calendar/ajax/calendar/activation.php

apps/calendar/ajax/calendar/delete.php

apps/calendar/ajax/calendar/edit.form.php

apps/calendar/ajax/calendar/edit.php

apps/calendar/ajax/calendar/new.form.php

apps/calendar/ajax/calendar/new.php

apps/calendar/ajax/calendar/overview.php

apps/calendar/ajax/calendar/updatecalendar.php

apps/calendar/ajax/event/delete.php

apps/calendar/ajax/event/edit.form.php

apps/calendar/ajax/event/edit.php

apps/calendar/ajax/event/move.php

apps/calendar/ajax/event/new.form.php

apps/calendar/ajax/event/new.php

apps/calendar/ajax/event/resize.php

apps/calendar/ajax/import/dialog.php

apps/calendar/ajax/import/import.php

apps/calendar/ajax/settings/gettimezonedetection.php

apps/calendar/ajax/settings/guesstimezone.php

apps/calendar/ajax/settings/settimeformat.php