Update _layouts/about.html

Co-authored-by: Maruan <alshedivat@users.noreply.github.com>

_layouts/about.html

@@ -8,7 +8,7 @@
           <h1 class="post-title">
            {% if site.title == "blank" -%}<span class="font-weight-bold">{{ site.first_name }}</span> {{ site.middle_name }} {{ site.last_name }}{%- else -%}{{ site.title }}{%- endif %}
           </h1>
-          <p class="desc">{%- if page.subtitle -%}{{ page.subtitle }}{%- else -%}{{ page.description }}{%- endif -%}</p>
+          <p class="desc">{{ page.subtitle }}</p>
         </header>
 
         <article>