Remove build: from docker-compose.yml, pull-only for production

This compose file is only used on the production server to pull and
run the pre-built image, not to build it locally.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

docker-compose.yml

@@ -1,11 +1,6 @@
 services:
   honey-links:
-    # image: used when pulling on the server (docker compose pull && up -d).
-    # build: lets `docker compose build` / `docker compose push` create and
-    #        publish that same image locally, instead of manual docker
-    #        build/tag/push commands.
     image: gitea.honeyy.duckdns.org/website/honey-links:latest
-    build: .
     ports:
       - "8080:80"
     environment: