Fixes the delete instance route.
Fixes the delete instance route.

cschuller/yak-js,dasMulli/yak-js,cschuller/yak-js,cschuller/yakjs,dasMulli/yak-js,dasMulli/yak-js,cschuller/yak-js,cschuller/yakjs,cschuller/yakjs