Adding the cost_constrained_qr.ipynb

Author: niharika2999

examples/cost_constrained_qr.ipynb

@@ -55,16 +55,6 @@
     "Loading and preprocessing the data:"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "import ssl\n",
-    "ssl._create_default_https_context = ssl._create_unverified_context"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 3,