soft delete video from video uploads page

TNL-5899

cms/templates/js/previous-video-upload-list.underscore

@@ -13,6 +13,7 @@
                 <th><%- gettext("Date Added") %></th>
                 <th><%- gettext("Video ID") %></th>
                 <th><%- gettext("Status") %></th>
+                <th><%- gettext("Action") %></th>
             </tr>
         </thead>
         <tbody class="js-table-body"></tbody>

cms/templates/js/previous-video-upload.underscore

@@ -3,3 +3,13 @@
 <td class="date-col"><%- created %></td>
 <td class="video-id-col"><%- edx_video_id %></td>
 <td class="status-col"><%- status %></td>
+<td class="actions-col">
+    <ul class="actions-list">
+        <li class="action-item action-remove">
+            <a href="#" data-tooltip="<%- gettext('Remove this video') %>" class="remove-video-button action-button">
+                <span class="icon fa fa-times-circle" aria-hidden="true"></span>
+                <span class="sr"><%- StringUtils.interpolate(gettext("Remove {video_name} video"), {video_name: client_video_id}) %></span>
+            </a>
+        </li>
+    </ul>
+</td>

cms/templates/videos_index.html

@@ -11,7 +11,7 @@
 <%namespace name='static' file='static_content.html'/>
 
 <%block name="header_extras">
-% for template_name in ["active-video-upload-list", "active-video-upload", "previous-video-upload-list", "previous-video-upload"]:
+% for template_name in ["active-video-upload-list", "active-video-upload", "previous-video-upload-list"]:
 <script type="text/template" id="${template_name}-tpl">
     <%static:include path="js/${template_name}.underscore" />
 </script>
@@ -24,7 +24,7 @@
         var $contentWrapper = $(".content-primary");
         VideosIndexFactory(
             $contentWrapper,
-            "${post_url}",
+            "${video_handler_url}",
             "${encodings_download_url}",
             ${concurrent_upload_limit},
             $(".nav-actions .upload-button"),