Removed Data Dog from sponsorship list

Data Dog used to provide monitoring service for us, but looks like we don't use them any more. (See haskell-infra#269 and haskell/play-haskell#21 (comment))

Author: TikhonJelvis

Diff for: site/index.html

@@ -481,27 +481,24 @@ <h2>Sponsors</h2>
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-            <p><strong><a href="https://www.datadoghq.com">DataDog</a></strong> provides powerful, customizable 24/7 metrics and monitoring integration for all of Haskell.org, and complains loudly for us when things go wrong.</p>
+            <p><strong><a href="https://www.fastly.com">Fastly</a></strong>&#39;s Next Generation CDN provides low latency access for all of Haskell.org&#39;s downloads and highest traffic services, including the primary Hackage server, Haskell Platform downloads, and more.</p>
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-            <p><strong><a href="https://www.fastly.com">Fastly</a></strong>&#39;s Next Generation CDN provides low latency access for all of Haskell.org&#39;s downloads and highest traffic services, including the primary Hackage server, Haskell Platform downloads, and more.</p>
+            <p><strong><a href="https://www.status.io">Status.io</a></strong> powers <a href="https://status.haskell.org">https://status.haskell.org</a>, and lets us easily tell you when we broke something.</p>
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             <p><strong><a href="https://metal.equinix.com/">Equinix Metal</a></strong> provides compute, storage, and networking resources, powering almost all of Haskell.org in several regions around the world.</p>
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-            <p><strong><a href="https://www.status.io">Status.io</a></strong> powers <a href="https://status.haskell.org">https://status.haskell.org</a>, and lets us easily tell you when we broke something.</p>
+            <p><strong><a href="https://www.dreamhost.com">DreamHost</a></strong> has teamed up to provide Haskell.org with redundant, scalable object-storage through their Dream Objects service.</p>
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             <p><strong><a href="http://www.galois.com">Galois</a></strong> provides infrastructure, funds, administrative resources and has historically hosted critical Haskell.org infrastructure, as well as helping the Haskell community at large with their work.</p>
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-            <p><strong><a href="https://www.dreamhost.com">DreamHost</a></strong> has teamed up to provide Haskell.org with redundant, scalable object-storage through their Dream Objects service.</p>
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