root : README

Remove useless install part

README.md

@@ -7,7 +7,6 @@ Ghokin format and apply transformation on gherkin files.
 - [Install](#install)
 - [Usage](#usage)
 - [Documentation](#documentation)
-- [Setup](#setup)
 - [Contribute](#contribute)
 
 ---
@@ -122,10 +121,6 @@ export GHOKIN_INDENT=2
 export GHOKIN_ALIASES='{"json":"jq ."}'
 ```
 
-## Setup
-
-Download from release page according to your architecture ghokin binary : https://github.com/antham/ghokin/releases
-
 ## Contribute
 
 If you want to add a new feature to ghokin project, the best way is to open a ticket first to know exactly how to implement your changes in code.