removed closing date and add it into env

app/Http/Controllers/Forms/FormMeetingSeminarController.php

@@ -34,8 +34,8 @@ class FormMeetingSeminarController extends Controller
     $role = auth()->user()->getRoleNames()[0];
     $forms = FormMeetingSeminar::whereMonth('created_at', date('m'))
       ->whereYear('created_at', date('Y'))
-      ->where('created_at', '<=', date('Y-m-20'))
-      ->whereRaw('DAY(CURDATE()) <= 20')
+      ->where('created_at', '<=', date('Y-m-' . env('CLOSING_DATE')))
+      ->whereRaw('DAY(CURDATE()) <= ' .  env('CLOSING_DATE'))
       ->orderBy('created_at', 'desc')
       ->get();