fix titles in documentation

docs/extras/modules/data_connection/document_loaders/integrations/confluence.ipynb

@@ -1,7 +1,6 @@
 {
  "cells": [
   {
-   "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
@@ -24,7 +23,6 @@
    ]
   },
   {
-   "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
@@ -43,19 +41,17 @@
    ]
   },
   {
-   "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Examples"
+    "## Examples"
    ]
   },
   {
-   "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Username and Password or Username and API Token (Atlassian Cloud only)\n",
+    "### Username and Password or Username and API Token (Atlassian Cloud only)\n",
     "\n",
     "This example authenticates using either a username and password or, if you're connecting to an Atlassian Cloud hosted version of Confluence, a username and an API Token.\n",
     "You can generate an API token at: https://id.atlassian.com/manage-profile/security/api-tokens.\n",
@@ -80,11 +76,10 @@
    ]
   },
   {
-   "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Personal Access Token (Server/On-Prem only)\n",
+    "### Personal Access Token (Server/On-Prem only)\n",
     "\n",
     "This method is valid for the Data Center/Server on-prem edition only.\n",
     "For more information on how to generate a Personal Access Token (PAT) check the official Confluence documentation at: https://confluence.atlassian.com/enterprise/using-personal-access-tokens-1026032365.html.\n",
@@ -123,7 +118,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.9.1"
   },
   "vscode": {
    "interpreter": {