Code cleanup from inspection results

app/Http/Middleware/EncryptCookies.php

@@ -11,7 +11,5 @@ class EncryptCookies extends BaseEncrypter
      *
      * @var array
      */
-    protected $except = [
-        //
-    ];
+    protected $except = [];
 }

app/Http/Middleware/MeasureExecutionTime.php

@@ -21,7 +21,7 @@ class MeasureExecutionTime
     {
         // Get the response
         $response = $next($request);
-        if (!defined('LUMEN_START')) {
+        if (!\defined('LUMEN_START')) {
             return $response;
         }
 

app/Http/Middleware/VerifyCsrfToken.php

@@ -11,6 +11,5 @@ class VerifyCsrfToken extends BaseVerifier
      *
      * @var array
      */
-    protected $except = [
-    ];
+    protected $except = [];
 }