docs(readme): Update Sponsors (#3670)

Readme.md

@@ -199,9 +199,6 @@ development and support.
 <a href="https://www.casinoonlineaams.com" target="_blank" rel="noopener noreferrer">
             <img height="64px" width="64px" src="https://humble.imgix.net/https%3A%2F%2Fimages.opencollective.com%2Fcasinoonlineaamscom%2Fc59b0fd%2Flogo.png?ixlib=js-3.8.0&w=64&h=64&fit=fillmax&fill=solid&s=7b90355c5df11c3ac489869b01279fee" title="Casinoonlineaams.com" alt="Casinoonlineaams.com"></img>
           </a>
-<a href="https://freebets.ltd.uk/" target="_blank" rel="noopener noreferrer">
-            <img height="64px" width="64px" src="https://humble.imgix.net/https%3A%2F%2Fimages.opencollective.com%2Ffreebets%2Fe21c41b%2Flogo.png?ixlib=js-3.8.0&w=64&h=64&fit=fillmax&fill=solid&s=af81d017a3336ecb843e6c9b9d8dd96b" title="freebets.ltd.uk" alt="freebets.ltd.uk"></img>
-          </a>
 <a href="https://casinoutansvensklicens.co/" target="_blank" rel="noopener noreferrer">
             <img height="64px" width="64px" src="https://humble.imgix.net/https%3A%2F%2Fimages.opencollective.com%2Fcasino-utan-svensk-licens3%2Ff7e9357%2Flogo.png?ixlib=js-3.8.0&w=64&h=64&fit=fillmax&fill=solid&s=45ea355f0c3411592219714943df29dd" title="Casino utan svensk licens" alt="Casino utan svensk licens"></img>
           </a>

website/sponsors.json

@@ -57,17 +57,6 @@
       "source": "opencollective",
       "tier": "sponsor"
     },
-    {
-      "createdAt": "2022-01-18T15:52:44.383Z",
-      "name": "freebets.ltd.uk",
-      "url": "https://freebets.ltd.uk/",
-      "image": "https://images.opencollective.com/freebets/e21c41b/logo.png",
-      "type": "ORGANIZATION",
-      "monthlyDonation": 0,
-      "totalDonations": 0,
-      "source": "opencollective",
-      "tier": "sponsor"
-    },
     {
       "createdAt": "2022-04-21T11:02:44.475Z",
       "name": "Casino utan svensk licens",