clean up

docker/main/rootfs/usr/local/nginx/conf/nginx.conf

@@ -1,10 +1,8 @@
-# Copied to /tmp/nginx/conf at startup and loaded with -c from there. Relative
-# includes resolve against the -c file, but every other path directive resolves
-# against the compile-time --prefix, so non-include paths must stay absolute.
+# Loaded with -c from the /tmp/nginx/conf copy: relative includes follow the -c
+# file, all other path directives follow --prefix and must stay absolute.
 
 daemon off;
-# Ignored by a non-root master; required by FRIGATE_RUN_AS_ROOT so workers
-# stay root instead of the compiled-in default user
+# ignored by a non-root master; keeps workers root under FRIGATE_RUN_AS_ROOT
 user root;
 worker_processes auto;