refactor(backend): silence neo4j-graphql-js (#8751)

Except if you enable it with:
```
DEBUG=neo4j-graphql-js
```
.. in your `backend/.env`

backend/.env.template

@@ -1,4 +1,4 @@
-DEBUG=true
+DEBUG=neo4j-graphql-js
 
 NEO4J_URI=bolt://localhost:7687
 NEO4J_USERNAME=neo4j

docker-compose.override.yml

@@ -32,7 +32,6 @@ services:
       target: development
     environment:
       - NODE_ENV="development"
-      - DEBUG=true
       - SMTP_PORT=1025
       - SMTP_HOST=mailserver
       - AWS_ACCESS_KEY_ID=minio
@@ -41,7 +40,6 @@ services:
       - AWS_REGION=local
       - AWS_BUCKET=ocelot
       - S3_PUBLIC_GATEWAY=http:/localhost:9000
-      - DEBUG=neo4j-graphql-js
     volumes:
       - ./backend:/app
 

docker-compose.yml

@@ -59,7 +59,6 @@ services:
       # - PORT="4000"
       - NODE_ENV="production"
       # Application only envs
-      - DEBUG=false
       - NEO4J_URI=bolt://neo4j:7687
       - GRAPHQL_URI=http://backend:4000
       - CLIENT_URI=http://webapp:3000