README instructions updated

Author: claudsonm

README.md

@@ -50,7 +50,6 @@ return [
         'key' => env('AWS_ACCESS_KEY_ID'),
         'secret' => env('AWS_SECRET_ACCESS_KEY'),
         'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
-        'version' => 'latest',
     ],
 
 ];