LIL-431. Revert create date course meta item

apps/course/templates/course/course.html

@@ -99,16 +99,14 @@
             </div>
             <div class="meta__title">{{ course.duration | rupluralize:"день,дня,дней" }}</div>
           </div>
-          {% if course.deferred_start_at %}
           <div class="meta__item">
             <div class="meta__icon">
               <svg class="icon icon-date">
                 <use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use>
               </svg>
             </div>
-            <div class="meta__title">{{ course.deferred_start_at | date:"d F Yг. H:i" }}</div>
+            <div class="meta__title">{{ course.created_at | date:"d F Yг." }}</div>
           </div>
-          {% endif %}
           {% if course.price %}
           <div class="meta__item">
             <div class="meta__icon">
@@ -347,7 +345,7 @@
               <use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use>
             </svg>
           </div>
-          <div class="meta__title">{{ course.deferred_start_at | date:"d F Yг. H:i" }}</div>
+          <div class="meta__title">{{ course.created_at | date:"d F Yг." }}</div>
         </div>
         {% if course.price %}
         <div class="meta__item">

apps/course/templates/course/course_only_lessons.html

@@ -97,16 +97,14 @@
             </div>
             <div class="meta__title">{{ course.duration | rupluralize:"день,дня,дней" }}</div>
           </div>
-          {% if course.deferred_start_at %}
           <div class="meta__item">
             <div class="meta__icon">
               <svg class="icon icon-date">
                 <use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use>
               </svg>
             </div>
-            <div class="meta__title">{{ course.deferred_start_at | date:"d F Yг. H:i" }}</div>
+            <div class="meta__title">{{ course.created_at | date:"d F Yг." }}</div>
           </div>
-          {% endif %}
           {% if course.price %}
           <div class="meta__item">
             <div class="meta__icon">