Author: Federico Ceratto <federico.ceratto@gmail.com>
Description: Remove update button in web gui.

diff -Naurp netdata.orig/web/gui/index.html netdata/web/gui/index.html
--- netdata.orig/web/gui/index.html
+++ netdata/web/gui/index.html
@@ -93,7 +93,6 @@
                     <li title="Nodes view" data-toggle="tooltip" data-placement="bottom"><a onclick="openAuthenticatedUrl('console.html');" class="btn" target="_blank"><i class="fas fa-tv"></i>&nbsp;<span class="hidden-sm hidden-md">Nodes<sup class="beta"> beta</sup></span></a></li>
                     <li id="alarmsButton"  title="check the health monitoring alarms and their log" data-toggle="tooltip" data-placement="bottom"><a href="#" class="btn" data-toggle="modal" data-target="#alarmsModal"><i class="fas fa-bell"></i>&nbsp;<span class="hidden-sm hidden-md">Alarms&nbsp;</span><span id="alarms_count_badge" class="badge"></span></a></li>
                     <li title="change dashboard settings" data-toggle="tooltip" data-placement="bottom"><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fas fa-cog"></i>&nbsp;<span class="hidden-sm hidden-md">Settings</span></a></li>
-                    <li title="check for netdata updates<br/>you should keep your netdata updated" data-toggle="tooltip" data-placement="bottom" class="hidden-sm" id="updateButton"><a href="#" class="btn" data-toggle="modal" data-target="#updateModal"><i class="fas fa-cloud-download-alt"></i> <span class="hidden-sm hidden-md">Update </span><span id="update_badge" class="badge"></span></a></li>
                     <li title="the netdata wiki home at github<br/>remember to <b>give netdata a <i class=&quot;fas fa-star&quot;></i></b> !" data-toggle="tooltip" data-placement="bottom" class="hidden-xs hidden-sm hidden-md"><a href="https://github.com/netdata/netdata" class="btn" target="_blank"><i class="fab fa-github"></i></a></li>
                     <li title="follow netdata on twitter" data-toggle="tooltip" data-placement="bottom" class="hidden-xs hidden-sm hidden-md"><a href="https://twitter.com/linuxnetdata" class="btn" target="_blank"><i class="fab fa-twitter"></i></a></li>
                     <li title="like netdata on facebook" data-toggle="tooltip" data-placement="bottom" class="hidden-xs hidden-sm hidden-md"><a href="https://www.facebook.com/linuxnetdata/" class="btn" target="_blank"><i class="fab fa-facebook"></i></a></li>