Remove duplicated time requirements (Will-fix: #15815)

wiki/src/install/inc/overview.html

@@ -101,29 +101,6 @@
         </div>
       </div>
     </div>
-    <div class="col-xs-12 col-sm-3">
-      <div class="thumbnail">
-        [[!img install/inc/icons/clock.png link="no" alt=""]]
-        <div class="caption">
-          <h4>
-
-            <span class="windows linux mac-usb mac-dvd">2 hours in total</span>
-            <span class="debian expert">1½ hour in total</span>
-            <span class="install-clone">½ hour</span>
-            <span class="upgrade-clone">¼ hour</span>
-            <br />
-
-            <span class="windows linux mac-usb mac-dvd debian expert upgrade-tails">
-              <small>[[!inline pages="inc/stable_amd64_iso_size" raw="yes" sort="age"]] to download</small><br />
-            </span>
-
-            <span class="windows linux mac-usb mac-dvd"><small>1 hour to install</small></span>
-            <span class="debian expert"><small>½ hour to install</small></span>
-            <span class="upgrade-tails"><small>¼ hour to upgrade</small></span>
-          </h4>
-        </div>
-      </div>
-    </div>
     <div class="col-xs-12 col-sm-3">
       <div class="thumbnail">
         [[!img install/inc/icons/screens.png link="no" alt=""]]