Simplify nginx run script by removing checks

Removed conditional check for nginx disabled state.

birdnet-pipy/rootfs/etc/services.d/nginx/run

@@ -2,9 +2,4 @@
 # shellcheck shell=bash
 set -euo pipefail
 
-if [ -f /run/nginx-disabled ]; then
-  bashio::log.info "Nginx disabled because ingress is not active"
-  exec sleep infinity
-fi
-
 nginx