Revert changes made to notebook

Author: agriyakhetarpal

docs/directives/my_notebook.ipynb

@@ -23,9 +23,7 @@
    "cell_type": "code",
    "execution_count": 2,
    "id": "84361143",
-   "metadata": {
-    "strip": "true"
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -36,8 +34,7 @@
     }
    ],
    "source": [
-    "foo()\n",
-    "# This cell contains \"strip\": \"true\" in the metadata and therefore won't exist"
+    "foo()"
    ]
   },
   {
@@ -46,9 +43,7 @@
    "id": "b9f8bed0",
    "metadata": {},
    "outputs": [],
-   "source": [
-    "# This cell will exist because it hasn't been tagged"
-   ]
+   "source": []
   }
  ],
  "metadata": {