Remove redundant comment

10_neural_nets_with_keras.ipynb

@@ -138,13 +138,6 @@
     "    plt.savefig(path, format=fig_extension, dpi=resolution)"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "First, let's import a few common modules, ensure MatplotLib plots figures inline and prepare a function to save the figures."
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},