Update README

README.md

@@ -8,7 +8,7 @@ An extensible installer for tools I use on my development workstation.
 
 -  **winit** installs latest versions of all available tools.
 -  Supported platforms : **linux/amd64**
--  Supported distros   : Debian{9,10} Ubuntu{16,18} Centos{7,8}
+-  Supported distros   : Debian{9,10} Ubuntu{16,18,20} Centos{7,8}
 
 ## Available tools
 
@@ -29,7 +29,6 @@ An extensible installer for tools I use on my development workstation.
 - terraform
 - vagrant
 
-
 ## Notes
 
 -  **git**, **python3**, **IPython** ***pip**, **virtualenv** are installed before any tool.
@@ -64,14 +63,6 @@ Display help
 sudo ./winit -h
 ```
 
-Also a **ubuntu/bionic64** based **Vagrant** box preinstalled with all tools is available
-
-```
-vagrant init acik/winit \
-  --box-version 1.2.0
-vagrant up
-```
-
 ## Options
 
   -h : Show help and exit