rtdetrv2_guide fix

Author: Shashank Vasisht

guide/14-deep-learning/rt-detrv2_object_detector.ipynb

@@ -182,14 +182,6 @@
     "\n",
     "[5] Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit, Llion Jones, Aidan N. Gomez, Lukasz Kaiser, Illia Polosukhin: “Attention Is All You Need”, 2017; [https://arxiv.org/abs/1706.03762 arXiv:1706.03762]."
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "d4daa8ed",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {