Remove edit on github from collection pages (#76259)

* remove main index page from Edit on Github
* remove all collection index pages from Edit on Github

docs/docsite/.templates/breadcrumbs.html

@@ -15,6 +15,13 @@
                )) %}
             <!--  <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/{{ theme_vcs_pageview_mode or "blob" }}/{{ github_module_version }}{{ meta.get('source', '') }}?description=%23%23%23%23%23%20SUMMARY%0A%3C!---%20Your%20description%20here%20--%3E%0A%0A%0A%23%23%23%23%23%20ISSUE%20TYPE%0A-%20Docs%20Pull%20Request%0A%0A%2Blabel:%20docsite_pr" class="fa fa-github"> {{ _('Edit on GitHub') }}</a> -->
               <br>
+            <!-- Remove main index page as it is no longer editable -->
+            {% elif pagename == 'index' %}
+              <br>
+            <!-- Remove all pages under collections/ as no longer editable -->
+            {% elif pagename.startswith('collections/') %}
+              <br>
+
             {% elif check_meta and pagename.startswith('cli') and meta.get('source', None) %}
               <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/{{ theme_vcs_pageview_mode or "blob" }}/{{ github_cli_version }}{{ meta.get('source', '') }}?description=%23%23%23%23%23%20SUMMARY%0A%3C!---%20Your%20description%20here%20--%3E%0A%0A%0A%23%23%23%23%23%20ISSUE%20TYPE%0A-%20Docs%20Pull%20Request%0A%0A%2Blabel:%20docsite_pr" class="fa fa-github"> {{ _('Edit on GitHub') }}</a>
             {% elif (not 'list_of' in pagename) and (not 'category' in pagename) %}