docs: readme updated

Author: vishalinfyom

README.md

@@ -1,19 +1,11 @@
 # Laravel UI Stisla
 
-[Laravel Frontend Scaffolding](https://laravel.com/docs/7.x/frontend) for [Stisla UI](https://demo.getstisla.com/index.html) Theme.
+[Laravel Frontend Scaffolding](https://laravel.com/docs/6.x/frontend) for [Stisla UI](https://demo.getstisla.com/index.html) Theme.
 
 ## Installation
 
 Run a command,
 
-`composer require infyomlabs/laravel-ui-stisla`
-
-For Laravel 7,
-
-`composer require infyomlabs/laravel-ui-stisla:^2.0`
-
-For Laravel 6,
-
 `composer require infyomlabs/laravel-ui-stisla:^1.0`
 
 ## Usage
@@ -36,16 +28,6 @@ Or for production,
 
 `npm install && npm run prod`
 
-## Usage with Laravel Fortify (Laravel 8.x only)
-
-This package also provides support for Laravel Fortify for authentication scaffolding.
-
-**NOTE**: Don't forget to install and run Laravel Fortify and perform its required installation steps.
-
-Run a command,
-
-`php artisan ui adminlte-stisla --auth`
-
 And then run,
 
 `npm install && npm run dev`