LIL-237. Remove materials block

apps/course/templates/course/course.html

@@ -233,7 +233,7 @@
     </div>
   </div>
 </div>
-<div class="section">
+{% comment %} <div class="section">
   <div class="section__center center center_sm">
     <div class="title">Материалы, которые понадобятся</div>
     <div class="materials">
@@ -256,7 +256,7 @@
       {% endfor %}
     </div>
   </div>
-</div>
+</div> {% endcomment %}
 {% endif %}
 <div class="section section_gradient">
   <div class="section__center center center_sm">