Change sagemaker example to make more sense (jupyterlab#231)

* Change sagemaker example to make more sense

* Makes example more neutral

* Update sagemaker.ipynb

Update the example for flan-xl.

---------

Co-authored-by: Piyush Jain <piyushjain@duck.com>

examples/sagemaker.ipynb

@@ -29,7 +29,6 @@
    ]
   },
   {
-   "attachments": {},
    "cell_type": "markdown",
    "id": "9f2b0270-1c33-4918-b534-4ec104f90141",
    "metadata": {},
@@ -49,24 +48,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 2,
    "id": "31f3e6e3-48cf-4e60-96d3-8b8e1dd34bec",
    "metadata": {
     "tags": []
    },
    "outputs": [
     {
      "data": {
-      "text/html": [
-       "AI generated code inserted below ⬇️"
+      "text/markdown": [
+       "What is the weather like in the US today?"
       ],
       "text/plain": [
-       "<IPython.core.display.HTML object>"
+       "<IPython.core.display.Markdown object>"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 2,
      "metadata": {
-      "text/html": {
+      "text/markdown": {
        "jupyter_ai": {
         "model_id": "jumpstart-dft-hf-text2text-flan-t5-xl",
         "provider_id": "sagemaker-endpoint"
@@ -77,18 +76,8 @@
     }
    ],
    "source": [
-    "%%ai sagemaker-endpoint:jumpstart-dft-hf-text2text-flan-t5-xl --region-name=us-east-1 --request-schema={\"text_inputs\":\"<prompt>\"} --response-path=generated_texts.[0] -f code\n",
-    "Write some Python code"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "42408ea8-7264-44bc-ac0c-6b5dd03134d6",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "a = [] b = [] c = [] d = ["
+    "%%ai sagemaker-endpoint:jumpstart-dft-hf-text2text-flan-t5-xl --region-name=us-east-1 --request-schema={\"text_inputs\":\"<prompt>\"} --response-path=generated_texts.[0]\n",
+    "Generate a question about weather today."
    ]
   },
   {