Revert "Revert "sponsor: mobilen.nu is no longer a sponsor""

This reverts commit dd94c1e.

They are now truly removed. The previous removal was too quick.

_sponsors.html

@@ -118,7 +118,6 @@
 <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://mobilen.nu/" rel="sponsored"><img src="pix/silver/mobilen-2.png" alt="mobilen"></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>
 <!-- Silver via other means -->
  <div class="silver"><p> <a class="x" href="https://www.airlock.com/" rel="sponsored"><img src="pix/silver/airlock.svg" alt="Airlock"></a></div>

mk-sponsors.pl

@@ -19,7 +19,6 @@
     'https://cryptotracker.com' => 'crypto-tracker.svg',
     'https://www.sure.bet/casinos-not-on-gamstop/' => 'surebet.png',
     'https://iboysoft.com' => 'iBoysoft.svg',
-    'https://mobilen.nu/' => 'mobilen-2.png',
     # https://opencollective.com/ivan13 has a 'null' website in profile
     "null" => 'fineproxy.jpg',
     'https://solcellsforetag.se/' => 'solcellsforetag.se.svg',