Remove BlahDNS datacenter and add Singapore server (#2025)

_includes/sections/dns.html

@@ -87,6 +87,10 @@ We also log how many times this or that tracker has been blocked. We need this i
             <span class="flag-icon flag-icon-jp"></span>
             Japan
           </span>
+          <span class="no-text-wrap">
+            <span class="flag-icon flag-icon-sg"></span>
+            Singapore
+          </span>
         </td>
         <td>
           <div
@@ -116,12 +120,9 @@ We also log how many times this or that tracker has been blocked. We need this i
           </span>
           <span class="no-text-wrap">
             malicious domains
-            {% include badge.html
+          </span>
-            link="https://github.com/ookangzheng/blahdns#default-blocked-wildcard-domain"
+          <span class="no-text-wrap">
-            color="warning"
+            Based on server choice only for DoH
-            icon="fas fa-exclamation-triangle"
-            tooltip="And some wildcard and IDN domains."
-            %}
           </span>
         </td>
         <td>
@@ -135,9 +136,6 @@ We also log how many times this or that tracker has been blocked. We need this i
           <span class="no-text-wrap">
             <a href="https://www.choopa.com/">Choopa, LLC</a>,
           </span>
-          <span class="no-text-wrap">
-            <a href="https://www.datacenterlight.ch/">Data Center Light</a>,
-          </span>
           <span class="no-text-wrap">
             <a href="https://www.hetzner.com/">Hetzner Online GmbH</a>
           </span>