remove additional unnecessary mdl import

Author: vyinkabanjo

lab2/solutions/PT_Part2_Debiasing_Solution.ipynb

@@ -151,9 +151,6 @@
         "from pathlib import Path\n",
         "from typing import Union, Final\n",
         "\n",
-        "# Download and import the MIT 6.S191 package\n",
-        "import mitdeeplearning as mdl\n",
-        "\n",
         "load_dotenv(\".env\")\n",
         "\n",
         "# TODO: ENTER YOUR API KEY HERE!! instructions above\n",