TCP is the only option so remove unused branches

Summary: As TCP is the only option, remove all branches.

Reviewed By: passy

Differential Revision: D48265093

fbshipit-source-id: 174527f05d8a841797fd95256e77fdeb9b2e6ad5

desktop/app/src/init.tsx

@@ -206,7 +206,6 @@ async function getFlipperServer(
     const {readyForIncomingConnections} = await startServer({
       staticPath,
       entry: 'index.web.dev.html',
-      tcp: false,
       port,
     });