sponsors: surebet is not a sponsor anymore

_sponsors.html

@@ -110,7 +110,6 @@
 <div class="silver"><p> <a class="x" href="https://serpapi.com" rel="sponsored"><img src="pix/silver/serpapi.svg" alt="serpapi"></a></div>
 <div class="silver"><p> <a class="x" href="https://proxy-hub.com/" rel="sponsored"><img src="pix/silver/proxyhub.svg" alt="proxyhub"></a></div>
 <div class="silver"><p> <a class="x" href="https://cryptotracker.com" rel="sponsored"><img src="pix/silver/crypto-tracker.svg" alt="crypto-tracker"></a></div>
-<div class="silver"><p> <a class="x" href="https://www.sure.bet/casinos-not-on-gamstop/" rel="sponsored"><img src="pix/silver/surebet.png" alt="surebet"></a></div>
 <div class="silver"><p> <a class="x" href="https://iboysoft.com" rel="sponsored"><img src="pix/silver/iBoysoft.svg" alt="iBoysoft"></a></div>
 <div class="silver"><p> <a class="x" href="https://fineproxy.org/" rel="sponsored"><img src="pix/silver/fineproxy.jpg" alt="fineproxy"></a></div>
 <div class="silver"><p> <a class="x" href="https://www.testarna.se/casino/utan-svensk-licens" rel="sponsored"><img src="pix/silver/testarna.png" alt="Testarna"></a></div>

mk-sponsors.pl

@@ -17,7 +17,6 @@
  "https://serpapi.com" => 'serpapi.svg',
  "https://proxy-hub.com/" => 'proxyhub.svg',
  'https://cryptotracker.com' => 'crypto-tracker.svg',
- 'https://www.sure.bet/casinos-not-on-gamstop/' => 'surebet.png',
  'https://iboysoft.com' => 'iBoysoft.svg',
  # https://opencollective.com/ivan13 has a 'null' website in profile
  "null" => 'fineproxy.jpg',