lint fix

Author: Nabil Fayak

docs/source/start.ipynb

@@ -13,13 +13,6 @@
    "source": [
     "In this guide, we'll show how you can use CheckMate to automatically catch and warn of problems with your data and problem setup before modeling.. Along the way, we'll highlight CheckMate's built-in tools and features for understanding and interacting with the process."
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
@@ -43,4 +36,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}