docs: fix google_books and memgraph descriptions at https://python.langchain.com/docs/integrations/tools/ All tools section (#31373)

…ngchain.com/docs/integrations/tools/ All tools section

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docs/docs/integrations/tools/google_books.ipynb

@@ -11,15 +11,6 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Overview"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "### Integration details\n",
-    "\n",
     "The Google Books tool that supports the ReAct pattern and allows you to search the Google Books API. Google Books is the largest API in the world that keeps track of books in a curated manner. It has over 40 million entries, which can give users a significant amount of data."
    ]
   },

docs/docs/integrations/tools/memgraph.ipynb

@@ -17,8 +17,6 @@
    "source": [
     "# MemgraphToolkit\n",
     "\n",
-    "## Overview\n",
-    "\n",
     "This will help you getting started with the Memgraph [toolkit](/docs/concepts/tools/#toolkits). \n",
     "\n",
     "Tools within `MemgraphToolkit` are designed for the interaction with the `Memgraph` database.\n",