Deprecate and remove nav_links

_config.yml

@@ -27,7 +27,6 @@ color_scheme: light
 search_enabled: true
 heading_anchors: true
 permalink: pretty
-nav_links:
 aux_links:
   Kevin Lin:
     - 'https://kevinl.info'

_includes/nav.html

-<ul class="nav-list">
-  {%- assign ordered_pages_list = site.html_pages | where_exp:"item", "item.nav_order != nil" -%}
-  {%- assign unordered_pages_list = site.html_pages | where_exp:"item", "item.nav_order == nil" -%}
-  {%- if site.nav_sort == 'case_insensitive' -%}
-    {%- assign sorted_ordered_pages_list = ordered_pages_list | sort_natural:"nav_order" -%}
-    {%- assign sorted_unordered_pages_list = unordered_pages_list | sort_natural:"title" -%}
-  {%- else -%}
-    {%- assign sorted_ordered_pages_list = ordered_pages_list | sort:"nav_order" -%}
-    {%- assign sorted_unordered_pages_list = unordered_pages_list | sort:"title" -%}
-  {%- endif -%}
-  {%- assign pages_list = sorted_ordered_pages_list | concat: sorted_unordered_pages_list -%}
-  {%- for node in pages_list -%}
-    {%- unless node.nav_exclude -%}
-      {%- if node.parent == nil and node.title -%}
-        <li class="nav-list-item{% if page.url == node.url or page.parent == node.title or page.grand_parent == node.title %} active{% endif %}">
-          {%- if page.parent == node.title or page.grand_parent == node.title -%}
-            {%- assign first_level_url = node.url | absolute_url -%}
-          {%- endif -%}
-          {%- if node.has_children -%}
-            <a href="#" class="nav-list-expander"><svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg></a>
-          {%- endif -%}
-          <a href="{{ node.url | absolute_url }}" class="nav-list-link{% if page.url == node.url %} active{% endif %}">{{ node.title }}</a>
-          {%- if node.has_children -%}
-            {%- assign children_list = pages_list | where: "parent", node.title -%}
-            <ul class="nav-list">
-            {%- for child in children_list -%}
-              {%- unless child.nav_exclude -%}
-                <li class="nav-list-item {% if page.url == child.url or page.parent == child.title %} active{% endif %}">
-                  {%- if page.url == child.url or page.parent == child.title -%}
-                    {%- assign second_level_url = child.url | absolute_url -%}
-                  {%- endif -%}
-                  {%- if child.has_children -%}
-                    <a href="#" class="nav-list-expander"><svg viewBox="0 0 24 24"><use xlink:href="#svg-arrow-right"></use></svg></a>
-                  {%- endif -%}
-                  <a href="{{ child.url | absolute_url }}" class="nav-list-link{% if page.url == child.url %} active{% endif %}">{{ child.title }}</a>
-                  {%- if child.has_children -%}
-                    {%- assign grand_children_list = pages_list | where: "parent", child.title | where: "grand_parent", node.title -%}
-                    <ul class="nav-list">
-                    {%- for grand_child in grand_children_list -%}
-                      <li class="nav-list-item {% if page.url == grand_child.url %} active{% endif %}">
-                        <a href="{{ grand_child.url | absolute_url }}" class="nav-list-link{% if page.url == grand_child.url %} active{% endif %}">{{ grand_child.title }}</a>
-                      </li>
-                    {%- endfor -%}
-                    </ul>
-                  {%- endif -%}
-                </li>
-              {%- endunless -%}
-            {%- endfor -%}
-            </ul>
-          {%- endif -%}
-        </li>
-      {%- endif -%}
-    {%- endunless -%}
-  {%- endfor -%}
-</ul>
-{%- if site.nav_links != nil -%}
-<hr>
-<ul class="nav-list">
-  {%- for link in site.nav_links -%}
-  <li class="nav-list-item">
-    <a href="{{ link.last }}" class="nav-list-link">{{ link.first }}</a>
-  </li>
-  {%- endfor -%}
-</ul>
-{%- endif -%}