delete trim middleware

app/Http/Kernel.php

@@ -28,8 +28,6 @@ class Kernel extends HttpKernel
     protected $middleware = [
         \App\Http\Middleware\CheckForMaintenanceMode::class,
         \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
-//        \App\Http\Middleware\TrimStrings::class,
-        \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
         \App\Http\Middleware\TrustProxies::class,
     ];