Remove the client from error log

Summary: Removing this information from the error as it will cause duplicated error tasks.

Reviewed By: passy

Differential Revision: D48646678

fbshipit-source-id: 26e5525318b4720568275a5086df00f21b7d2836

desktop/flipper-server-core/src/server/attachSocketServer.tsx

@@ -228,10 +228,9 @@ export function attachSocketServer(
     });
 
     async function onClientClose(error: Error | undefined = undefined) {
-      if (error) {
-        console.error(`Client disconnected ${clientAddress} with error`, error);
-      } else {
       console.log(`Client disconnected ${clientAddress}`);
+      if (error) {
+        console.error('Client disconnected with error', error);
       }
 
       numberOfConnectedClients--;