Update Hugging Face Hub notebook (#7236)

Description: `flan-t5-xl` hangs, updated to `flan-t5-xxl`. Tested all
stabilityai LLMs- all hang so removed from tutorial. Temperature > 0 to
prevent unintended determinism.
Issue: #3275 
Tag maintainer: @baskaryan

docs/extras/modules/model_io/models/llms/integrations/huggingface_hub.ipynb

@@ -82,9 +82,9 @@
    "source": [
     "from langchain import HuggingFaceHub\n",
     "\n",
-    "repo_id = \"google/flan-t5-xl\"  # See https://huggingface.co/models?pipeline_tag=text-generation&sort=downloads for some other options\n",
+    "repo_id = \"google/flan-t5-xxl\"  # See https://huggingface.co/models?pipeline_tag=text-generation&sort=downloads for some other options\n",
     "\n",
-    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0, \"max_length\": 64})"
+    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0.5, \"max_length\": 64})"
    ]
   },
   {
@@ -118,51 +118,6 @@
     "Below are some examples of models you can access through the Hugging Face Hub integration."
    ]
   },
-  {
-   "attachments": {},
-   "cell_type": "markdown",
-   "id": "4fa9337e-ccb5-4c52-9b7c-1653148bc256",
-   "metadata": {},
-   "source": [
-    "### StableLM, by Stability AI\n",
-    "\n",
-    "See [Stability AI's](https://huggingface.co/stabilityai) organization page for a list of available models."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "36a1ce01-bd46-451f-8ee6-61c8f4bd665a",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "repo_id = \"stabilityai/stablelm-tuned-alpha-3b\"\n",
-    "# Others include stabilityai/stablelm-base-alpha-3b\n",
-    "# as well as 7B parameter versions"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "b5654cea-60b0-4f40-ab34-06ba1eca810d",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0, \"max_length\": 64})"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "2f19d0dc-c987-433f-a8d6-b1214e8ee067",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Reuse the prompt and question from above.\n",
-    "llm_chain = LLMChain(prompt=prompt, llm=llm)\n",
-    "print(llm_chain.run(question))"
-   ]
-  },
   {
    "attachments": {},
    "cell_type": "markdown",
@@ -185,7 +140,7 @@
     "\n",
     "repo_id = \"databricks/dolly-v2-3b\"\n",
     "\n",
-    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0, \"max_length\": 64})"
+    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0.5, \"max_length\": 64})"
    ]
   },
   {
@@ -225,7 +180,7 @@
     "from langchain import HuggingFaceHub\n",
     "\n",
     "repo_id = \"Writer/camel-5b-hf\"  # See https://huggingface.co/Writer for other options\n",
-    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0, \"max_length\": 64})"
+    "llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={\"temperature\": 0.5, \"max_length\": 64})"
    ]
   },
   {