Use %-d instead of %d (mmistakes#2359)

Author: iBug

_includes/comment.html

@@ -13,7 +13,7 @@ <h3 class="comment__author" itemprop="author" itemscope itemtype="https://schema
     <p class="comment__date">
       {% if include.date %}
         {% if include.index %}<a href="#comment{{ include.index }}" itemprop="url">{% endif %}
-        <time datetime="{{ include.date | date_to_xmlschema }}" itemprop="datePublished">{{ include.date | date: "%B %d, %Y at %I:%M %p" }}</time>
+        <time datetime="{{ include.date | date_to_xmlschema }}" itemprop="datePublished">{{ include.date | date: "%B %-d, %Y at %I:%M %p" }}</time>
         {% if include.index %}</a>{% endif %}
       {% endif %}
     </p>

_layouts/single.html

@@ -52,9 +52,9 @@ <h4 class="page__meta-title">{{ site.data.ui-text[site.locale].meta_label }}</h4
         {% endif %}
         {% include page__taxonomy.html %}
         {% if page.last_modified_at %}
-          <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Updated:" }}</strong> <time datetime="{{ page.last_modified_at | date: "%Y-%m-%d" }}">{{ page.last_modified_at | date: "%B %d, %Y" }}</time></p>
+          <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Updated:" }}</strong> <time datetime="{{ page.last_modified_at | date: "%Y-%m-%d" }}">{{ page.last_modified_at | date: "%B %-d, %Y" }}</time></p>
         {% elsif page.date %}
-          <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Updated:" }}</strong> <time datetime="{{ page.date | date_to_xmlschema }}">{{ page.date | date: "%B %d, %Y" }}</time></p>
+          <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Updated:" }}</strong> <time datetime="{{ page.date | date_to_xmlschema }}">{{ page.date | date: "%B %-d, %Y" }}</time></p>
         {% endif %}
       </footer>