Revert "fix: resolve discrepancy in lqip between post and main page (cotes2020#2453)"

This reverts commit 1bac96a.

Author: maytwo52

_layouts/home.html

@@ -55,15 +55,16 @@
 
         {% if post.image %}
           {% assign src = post.image.path | default: post.image %}
-          {% capture src %}{% include media-url.html src=src subpath=post.media_subpath %}{% endcapture %}
+          {% unless src contains '//' %}
+            {% assign src = post.media_subpath | append: '/' | append: src | replace: '//', '/' %}
+          {% endunless %}
 
           {% assign alt = post.image.alt | xml_escape | default: 'Preview Image' %}
 
           {% assign lqip = null %}
 
           {% if post.image.lqip %}
-            {% capture lqip_url %}{% include media-url.html src=post.image.lqip subpath=post.media_subpath %}{% endcapture %}
-            {% assign lqip = 'lqip="' | append: lqip_url | append: '"' %}
+            {% capture lqip %}lqip="{{ post.image.lqip }}"{% endcapture %}
           {% endif %}
 
           <div class="col-md-5">