[Store][Qdrant] Implement remove() method

Part of #1468

Implement the `remove()` method for the Qdrant store.

**File:** `src/store/src/Bridge/Qdrant/Store.php`

**Method signature:**
```php
public function remove(string|array $ids, array $options = []): void;
```

See Pinecone implementation in `src/store/src/Bridge/Pinecone/Store.php` for reference.