doc: update README

README.md

@@ -29,7 +29,6 @@ This repository contains the necessary tools to run a Jitsi Meet stack on [Docke
 In order to quickly run Jitsi Meet on a machine running Docker and Docker Compose,
 follow these steps:
 
-* Build all images by running ``make``.
 * Create a ``.env`` file by copying and adjusting ``env.example``.
 * Run ``docker-compose up -d``.
 * Access the web UI at ``https://localhost:8443`` (or ``http://localhost:8000 for HTTP, or