Remove obsolete centOS Linux prerequisites (#5860)

Author: MikeMcC399

docs/guides/getting-started/installing-cypress.mdx

@@ -223,12 +223,6 @@ apt-get install libgtk2.0-0t64 libgtk-3-0t64 libgbm-dev libnotify-dev libnss3 li
 pacman -S gtk2 gtk3 alsa-lib xorg-server-xvfb libxss nss libnotify
 ```
 
-#### CentOS
-
-```shell
-yum install -y xorg-x11-server-Xvfb gtk2-devel gtk3-devel libnotify-devel GConf2 nss libXScrnSaver alsa-lib
-```
-
 #### Amazon Linux 2023
 
 ```shell