Remove stream key from admin dashboard. Closes https://github.com/owncast/owncast/issues/615

web/pages/index.tsx

@@ -171,11 +171,6 @@ export default function Home() {
 
             <div className="server-detail">
               <Card title="Server Config" type="inner">
-                <StatisticItem
-                  title="Stream key"
-                  value={configData.streamKey}
-                  prefix={null}
-                />
                 <StatisticItem
                   title="Directory registration enabled"
                   value={configData.yp.enabled.toString()}