fix 2 issues found during testing (#8029)

extensions/resource-deployment/notebooks/bdc/2019/deploy-bdc-existing-kubeadm.ipynb

@@ -77,16 +77,13 @@
                 "    !{command}\n",
                 "    if _exit_code != 0:\n",
                 "        sys.exit(f'Command execution failed with exit code: {str(_exit_code)}.\\n\\t{command}\\n')\n",
-                "    print(f'Successfully executed: {command}')\n",
-                "\n",
-                "run_command('kubectl version --client=true')\n",
-                "run_command('azdata --version')"
+                "    print(f'Successfully executed: {command}')"
             ],
             "metadata": {
                 "azdata_cell_guid": "26fa8bc4-4b8e-4c31-ae11-50484821cea8",
                 "tags": [
-                    "hide_input"
-                ]
+					"hide_input"
+				]
             },
             "outputs": [],
             "execution_count": 1
@@ -334,4 +331,4 @@
             "execution_count": 10
         }
     ]
-}
+}