2fb: remove unused readServerReturn function

ITS_Open_direct_2fb/ITS_Open_direct_2fb.ino

@@ -381,24 +381,3 @@ void loop() {
   readButtons();
   launchUpdate();
 }
-
-// This just reads the server return and logs it to the serial
-//@deprecated
-void readServerReturn() {
-  // if(debug){Serial.println("readServerReturn ... ");}
-  while (client.connected()) {
-    if (client.available()) {
-      char c = client.read();
-      if (debug) {
-        Serial.print(c);
-      }
-    }
-  }
-  if (debug) {
-    Serial.println();
-  }
-  if (debug) {
-    Serial.println("disconnecting.");
-  }
-  client.stop();
-}