[docs] Update docker compose image name (libretiny-eu#225)

The docs about using docker  compose for libre tuya had an error.
When setting what image to use in compose you dont have to put docker pull, just the image you are going to use

docs/projects/esphome.md

@@ -34,7 +34,7 @@ If your board isn't listed, use one of the **Generic** boards, depending on the
 		services:
 		  esphome:
 		    container_name: esphome-libretiny
-		    image: docker pull ghcr.io/libretiny-eu/libretiny-esphome-docker:latest
+		    image: ghcr.io/libretiny-eu/libretiny-esphome-docker:latest
 		    volumes:
 		      - ./configs:/config:rw # (1)!
 		      - /etc/localtime:/etc/localtime:ro