remove console.log in tests

Author: jodevsa

test/parallel/test-http-upgrade-client.js

@@ -90,7 +90,6 @@ server.listen(0, common.mustCall(function() {
         assert.strictEqual(recvData.toString(), expectedRecvData);
       }));
 
-      console.log(res.headers);
       const expectedHeaders = {
         hello: 'world',
         connection: 'upgrade',