remove unused library

Author: weijie-chen

notebooks/Chapter 19 - Multivariate Normal Distribution.ipynb

@@ -19,7 +19,6 @@
     "import numpy as np\n",
     "import matplotlib.pyplot as plt\n",
     "import scipy as sp\n",
-    "import scipy.stats\n",
     "from mpl_toolkits.mplot3d import Axes3D\n",
     "import sympy as sy\n",
     "sy.init_printing() \n",
@@ -1258,7 +1257,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.4"
+   "version": "3.12.0"
   },
   "toc": {
    "base_numbering": 1,