Remove redundant documentation from the README

README.md

@@ -31,76 +31,3 @@ Users of Server Pro should contact `support@overleaf.com` for assistance.
 
 In both cases, it is a good idea to include the output of the `bin/doctor` script in your message, so the Overleaf team can help debug the problem.
 
-
-## Config files
-
-- `config/overleaf.rc`
-- `config/variables.env`
-- `config/version`
-
-If `config/docker-compose.override.yml` is present, it will also be loaded.
-
-
-## Docker Compose files
-
-- `lib/docker-compose.base.yml`
-- `lib/docker-compose.mongo.yml`
-- `lib/docker-compose.redis.yml`
-- `lib/docker-compose.sibling-containers.yml`
-
-
-### overleaf.rc
-
-The `config/overleaf.rc` file controls top-level configuration,
-such as the docker image to use, data paths, etc. This is used
-to configure the invocaton to docker-compose.
-
-
-### variables.env
-
-Environment variables loaded in the overleaf container as application
-settings.
-
-
-## Data directories (default)
-
-- `data/mongo`
-- `data/redis`
-- `data/sharelatex`
-
-All are persisted outside of the containers. 
-
-These can be changed by setting `MONGO_DATA_PATH` (etc) in `overleaf.rc`
-
-
-## How To 
-
-### Update to the latest version
-
-- Run `bin/upgrade`, and follow the instructions
-  - This will fetch any available code updates and offer to upgrade the
-    locally configured docker image version, if a new version is available
-
-
-### Switch to Server Pro
-
-- In `overleaf.rc`, set `SERVER_PRO=true`
-
-
-### Change Image
-
-- Change the contents of `config/version`
-
-
-### Using an external mongo/redis
-
-- Mongo
-  - Set `MONGO_ENABLED=false`, and `MONGO_URL=...` in `overleaf.rc`
-- Redis
-  - Set `REDIS_ENABLED=false`, and `REDIS_HOST=...` and/or `REDIS_PORT=...` in `overleaf.rc`
-
-
-### Using Sibling-Containers
-
-- In `overleaf.rc` set `SIBLING_CONTAINERS_ENABLED=true`
-- In `overleaf.rc`, ensure `DOCKER_SOCKET_PATH` is set