Removed comments in some html files.

Author: Tomasz-Kluczkowski

_pages/01_about.html

@@ -5,7 +5,6 @@
 ---
 
 <section class="about">
-    <!--REPLACE THIS IMAGE WITH A NEW ONE - MIX PREVIOUS MEETUPS AND MAKE A COLLAGE -->
     <div class="about__background-img-container">
         <picture>
             <source srcset="../static/images/events_page/events_page_top_480x150px.jpg 480w,

index.html

@@ -2,7 +2,6 @@
 layout: default
 ---
 {% include inline_style_index.html %}
-<!--Title image will be set to display:none and used as a background image on the div below-->
 <div class="navigation__content container-fluid">
     <picture>
         <source srcset="static/images/title_photo/title_glass_building_480x270.jpg 480w,