Remove ingress support from Seerr and add back normal webui

- Set ingress: false and add webui URL in config.yaml
- Remove nginx from Dockerfile PACKAGES
- Remove nginx ingress init script, nginx config, and nginx service

Co-authored-by: alexbelgium <44178713+alexbelgium@users.noreply.github.com>

seerr/config.yaml

@@ -67,7 +67,8 @@ devices:
   - /dev/nvme2
 environment: {}
 image: ghcr.io/alexbelgium/seerr-{arch}
-ingress: true
+ingress: false
+webui: "[PROTO:ssl]://[HOST]:[PORT:5055]"
 init: false
 map:
   - addon_config:rw