Change authentication method for API.

app/Models/APIPermission.php

@@ -2,7 +2,6 @@
 
 namespace Pterodactyl\Models;
 
-use Debugbar;
 use Illuminate\Database\Eloquent\Model;
 
 class APIPermission extends Model
@@ -15,16 +14,4 @@ class APIPermission extends Model
      */
     protected $table = 'api_permissions';
 
-    /**
-     * Checks if an API key has a specific permission.
-     *
-     * @param  int $id
-     * @param  string $permission
-     * @return boolean
-     */
-    public static function check($id, $permission)
-    {
-        return self::where('key_id', $id)->where('permission', $permission)->exists();
-    }
-
 }