Update README.md

README.md

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 This repository contains the relevant files to build [Hass.io](https://github.com/home-assistant/hassio). For the add-ons please check the [Hass.io-Addons](https://github.com/home-assistant/hassio-addons) repository.
 
-# Build Server
-
-You need a Linux system with [AUFS](https://docs.docker.com/engine/userguide/storagedriver/aufs-driver/) and Docker support. You need to have the build user in the `docker` group that he can run Docker. It is not possible to run this process as root! You need also to install `jq`.
-
-Builds are published on: https://hub.docker.com/r/homeassistant/
-
-## Build env
-
-- yocto-build-env: Allow us to build yocto resinos images
-- docker-build-env: Allow us to build docker image for all archs
-- resinhup-build: Create docker image for inplace update perform
-- resinos-build: Create image for SD and docker for inplace update
-- hassio-supervisor: Create our supervisor update
-- homeassistant: Create docker image with homeassistant
-
-
-## Create a server
-
-First install Ubuntu server 16.04.
-
-Follow install instruction from Docker to install it:
-https://docs.docker.com/engine/installation/linux/ubuntu/
-
-After that move the `builder` user into `docker` group.
-
-```bash
-$ sudo groupadd docker
-$ sudo gpasswd -a ${USER} docker
-$ sudo service docker restart
-$ newgrp docker
-```
-
-Other software:
-
-```bash
-$ sudo apt-get install jq pigz git python3-setuptools
-```