Remove PDF from tugas, fix operator login

tugas.php

@@ -54,9 +54,6 @@
     <a href="index.php" class="btn btn-sm btn-light ms-2" title="Kembali ke Portal">
         <i class="fas fa-home text-primary me-1"></i>Portal
     </a>
-    <button class="btn btn-sm btn-light ms-1" onclick="exportPDF()" title="Export PDF">
-        <i class="fas fa-file-pdf text-danger me-1"></i>PDF
-    </button>
 </div>
 
 <div id="app">
@@ -729,7 +726,6 @@ function geolocate() {
         showToast('Lokasi ditemukan!','success');
     }, () => showToast('Gagal mendapatkan lokasi GPS','danger'));
 }
-function exportPDF() { window.open('export_pdf.php','_blank'); }
 function showToast(msg, type='success') {
     const colors = {success:'#22c55e', danger:'#ef4444', warning:'#f59e0b', info:'#3b82f6'};
     const el = document.getElementById('toast-el');