Remove usage of depends_on (#4383)

docker-compose.yml

@@ -36,9 +36,6 @@ services:
       interval: 30s
       timeout: 5s
       retries: 2
-    depends_on:
-      invidious-db:
-        condition: service_healthy
 
   invidious-db:
     image: docker.io/library/postgres:14