fix: Remove extra codeblock

docs/data/material/components/dialogs/dialogs.md

@@ -182,30 +182,3 @@ You can create and manipulate dialogs imperatively with the [`useDialogs()`](htt
 The following example demonstrates some of these features:
 
 {{"demo": "ToolpadDialogsNoSnap.js", "defaultCodeOpen": false}}
-
-```tsx
-const handleDelete = async () => {
- const id = await dialogs.prompt('Enter the ID to delete', {
- okText: 'Delete',
- cancelText: 'Cancel',
- });
-
- if (id) {
- const deleteConfirmed = await dialogs.confirm(
- `Are you sure you want to delete "${id}"?`,
- );
- if (deleteConfirmed) {
- try {
- setIsDeleting(true);
- await mockApiDelete(id);
- dialogs.alert('Deleted!');
- } catch (error) {
- const message = error instanceof Error ? error.message : 'Unknown error';
- await dialogs.open(MyCustomDialog, { id, error: message });
- } finally {
- setIsDeleting(false);
- }
- }
- }
-};
-```