Remove kritika.io from sponsor page

the service no longer exists

Author: oalders

root/about/sponsors.tx

@@ -624,24 +624,6 @@ money...
           </p>
         </td>
       </tr>
-      <tr>
-        <td>
-          <img src="/static/images/sponsors/kritika.svg">
-        </td>
-        <td>
-          <p>
-            Kritika.IO sponsored <a target="_blank" rel="noopener nofollow"
-            href="/about/meta_hack">meta::hack v2</a> in 2017.
-          </p>
-          <p>
-            Kritika.IO automates your Perl code review by adding it to your
-            continuous integration. Find code style violations, catch bugs,
-            detect duplications, keep complexity to a minimum, control test
-            coverage and more! Enforce best practices and keep improving your
-            code. Reduce technical debt and deliver features faster.
-          </p>
-        </td>
-      </tr>
       <tr>
         <td>
           <a target="_blank" rel="noopener nofollow" href="https://www.google.com">