remove placeholder van denied.txt

inc/lang/ar/denied.txt

inc/lang/az/denied.txt

inc/lang/bg/denied.txt

inc/lang/bn/denied.txt

inc/lang/ca-valencia/denied.txt

inc/lang/ca/denied.txt

inc/lang/cs/denied.txt

inc/lang/da/denied.txt

inc/lang/de-informal/denied.txt

inc/lang/de/denied.txt

inc/lang/el/denied.txt

inc/lang/en/denied.txt

inc/lang/eo/denied.txt

inc/lang/es/denied.txt

inc/lang/et/denied.txt

inc/lang/eu/denied.txt

inc/lang/fa/denied.txt

inc/lang/fi/denied.txt

inc/lang/fo/denied.txt

inc/lang/fr/denied.txt