remove supporter (#835)

Author: Arhell

_includes/sponsors.html

@@ -29,11 +29,6 @@ <h3>Premium Sponsors</h3>
                     <h4>Sponsors</h4>
                 </a>
                 <div class="support">
-                    <a href="https://themeisle.com/" rel="nofollow" class="support-item">
-                        <img src="/images/support/themeisle.png" title="themeisle"
-                             alt="Themeisle - Premium WordPress themes, Templates &amp; Plugins">
-                    </a>
-
                     <a href=" https://en.vpnwelt.com/ " rel="nofollow" class="support-item">
                         <img src="/images/support/vpnwelt.png" title="VPNwelt"
                              alt="VPNwelt - Privacy Protection on the Internet 2021">