Update all files to use {% data %} (#15253)

* Add back changes from prior to purge

* Manually fix some invalid Liquid

* Updoot render-content

* Improve test messages to show correct output

* Run el scripto

* Pass the remaining test

content/github/working-with-github-pages/unpublishing-a-github-pages-site.md

@@ -1,14 +1,14 @@
 ---
 title: Unpublishing a GitHub Pages site
-intro: 'You can unpublish your {{ site.data.variables.product.prodname_pages }} site so that the site is no longer available to {% if currentVersion == "free-pro-team@latest" %}the public{% else %}everyone using {{ site.data.variables.product.product_location }}{% endif %}.'
+intro: 'You can unpublish your {% data variables.product.prodname_pages %} site so that the site is no longer available to {% if currentVersion == "free-pro-team@latest" %}the public{% else %}everyone using {% data variables.product.product_location %}{% endif %}.'
 redirect_from:
   - /articles/how-do-i-unpublish-a-project-page/
   - /articles/unpublishing-a-project-page/
   - /articles/unpublishing-a-project-pages-site/
   - /articles/unpublishing-a-user-pages-site/
   - /articles/unpublishing-a-github-pages-site
-product: '{{ site.data.reusables.gated-features.pages }}'
-permissions: 'People with admin or maintainer permissions for a repository can unpublish a {{ site.data.variables.product.prodname_pages }} site.'
+product: '{% data reusables.gated-features.pages %}'
+permissions: 'People with admin or maintainer permissions for a repository can unpublish a {% data variables.product.prodname_pages %} site.'
 versions:
   free-pro-team: '*'
   enterprise-server: '*'
@@ -16,16 +16,16 @@ versions:
 
 ### Unpublishing a project site
 
-{{ site.data.reusables.repositories.navigate-to-repo }}
+{% data reusables.repositories.navigate-to-repo %}
 2. If a `gh-pages` branch exists in the repository, delete the `gh-pages` branch. For more information, see "[Creating and deleting branches within your repository](/articles/creating-and-deleting-branches-within-your-repository#deleting-a-branch)."
 3. If the `gh-pages` branch was your publishing source, {% if currentVersion == "free-pro-team@latest" %}skip to step 6{% else %}your site is now unpublished and you can skip the remaining steps{% endif %}.
-{{ site.data.reusables.repositories.sidebar-settings }}
-5. Under "{{ site.data.variables.product.prodname_pages }}", use the **Source** drop-down menu and select **None.**
+{% data reusables.repositories.sidebar-settings %}
+5. Under "{% data variables.product.prodname_pages %}", use the **Source** drop-down menu and select **None.**
   ![Drop down menu to select a publishing source](/assets/images/help/pages/publishing-source-drop-down.png)
-{{ site.data.reusables.pages.update_your_dns_settings }}
+{% data reusables.pages.update_your_dns_settings %}
 
 ### Unpublishing a user or organization site
 
-{{ site.data.reusables.repositories.navigate-to-repo }}
+{% data reusables.repositories.navigate-to-repo %}
 2. Delete the branch that you're using as a publishing source, or delete the entire repository. For more information, see "[Creating and deleting branches within your repository](/articles/creating-and-deleting-branches-within-your-repository#deleting-a-branch)" and "[Deleting a repository](/articles/deleting-a-repository)."
-{{ site.data.reusables.pages.update_your_dns_settings }}
+{% data reusables.pages.update_your_dns_settings %}