Fix typo in command

Notebooks/BehaviorAnalytics/UserSecurityMetadata/Guided Analysis - User Security Metadata.ipynb

@@ -59,7 +59,7 @@
         "scrolled": true
       },
       "cell_type": "code",
-      "source": "!az login --tenant \"$tenantId\"\n%run Entities.py\n%run GraphVis.py",
+      "source": "!az login --tenant $tenantId\n%run Entities.py\n%run GraphVis.py",
       "execution_count": null,
       "outputs": []
     },