Use upstream fontawesome (#1596)

Author: barryvdh

src/JavascriptRenderer.php

@@ -20,7 +20,6 @@ public function __construct(DebugBar $debugBar, $baseUrl = null, $basePath = nul
         parent::__construct($debugBar, $baseUrl, $basePath);
 
         $this->cssFiles['laravel'] = __DIR__ . '/Resources/laravel-debugbar.css';
-        $this->cssVendors['fontawesome'] = __DIR__ . '/Resources/vendor/font-awesome/style.css';
         $this->jsFiles['laravel-cache'] = __DIR__ . '/Resources/cache/widget.js';
 
         $theme = config('debugbar.theme', 'auto');