Refactor file upload restrictions to limit accepted formats to JPG and PNG, and update maximum file size to 20MB

account.php

@@ -93,7 +93,7 @@ include 'header.php';
                 <div class="auth__field">
                     <label for="file">Profilbild auswählen</label>
                     <input type="file" name="uploadFile" id="file" accept="image/*" required>
-                    <p class="auth__hint">Erlaubt: JPG/PNG/WebP. Maximalgröße je nach Server.</p>
+                    <p class="auth__hint">Erlaubt: JPG/PNG. max. 20MB.</p>
                 </div>
 
                 <div class="auth__actions">

upload.php

@@ -51,7 +51,6 @@ if ($tmp === '' || !is_uploaded_file($tmp))
 $allowedMimeToExt = [
     'image/jpeg' => 'jpg',
     'image/png' => 'png',
-    'image/webp' => 'webp'
 ];
 
 $finfo = new finfo(FILEINFO_MIME_TYPE);