removed the monitor display when training

Increased the timeout time to 30 seconds to be consistent with start of application

python/unityagents/environment.py

             try:
                 self._socket.listen(1)
                 self._conn, _ = self._socket.accept()
-                self._conn.settimeout(10)
+                self._conn.settimeout(30)
                 p = self._conn.recv(self._buffer_size).decode('utf-8')
                 p = json.loads(p)
             except socket.timeout as e:

unity-environment/Assets/ML-Agents/Scripts/Academy.cs

             Time.timeScale = trainingConfiguration.timeScale;
             Application.targetFrameRate = trainingConfiguration.targetFrameRate;
             QualitySettings.vSyncCount = 0;
+            Monitor.SetActive(false);
         }
         else
         {