Update README_EN.md

Author: gnbdev

README_EN.md

@@ -1,5 +1,5 @@
 # OpenGNB
-[Chinese](/README.md)  [English](/README_EN.md)  [Russian](/README_RU.md) 
+[Chinese](/README.md)  [English](/README_EN.md) 
 
 *Note: Most of the content of this article is translated by Google translate from the Chinese version of the "OpenGNB User Manual", the content of this article is subject to the Chinese version.*
 
@@ -291,20 +291,10 @@ The ["atzinux"](https://www.atzlinux.com) project made a deb format package unde
 The systemd script was made by [Jin Buguo](https://github.com/jinbuguo) for the GNB project
 
 * Debian
-On July 2022, the deb package of opengnb had contributed to [Debian official package](https://tracker.debian.org/news/1343607/accepted-opengnb-1290-1-source-amd64-into-unstable-unstable/) by the atzlinux project.
+[atzlinux](https://www.atzlinux.com) project has made a deb format software package under Linux for the GNB project, and contributed it to become the official Debian software package.
 
 You may install opengnb on Debian 12 (bookworm) :
 
-```bash
-apt install opengnb
-```
-The documents of start opengnb use systemd is：
-
-/usr/share/doc/opengnb/README.Debian
-
-* Ubuntu
-From 22.10 (kinetic) on, you may install on Ubuntu：
-
 ```bash
 apt install opengnb
 ```