remove unnecessary row and margin in main page layout

extensions/odoo_theme/layout.html

@@ -85,8 +85,7 @@
                     {# Custom landing page on the root of the documentation #}
                     {% include "layout_templates/homepage.html" %}
                 {% else %}
-                    <div class="row">
-                        <article class="doc-body mb-5">
+                    <article class="doc-body">
                         <!-- Beacon used by the Sphinx search to know where to look for a string -->
                         <div role="main">
                             {% block body %} {% endblock %}
@@ -96,7 +95,6 @@
                             <a href="{{ github_link(mode='edit') }}" class="o_git_link"><i class="i-edit"></i> Edit on GitHub</a>
                         {% endif %}
                     </article>
-                    </div>
                 {% endif %}
             </div>
             <div id="mask"></div>