cleanup wifi:

- remove disconnected - not used
- remove tConnected - duplicate of stationConnectedHandler

gateway/include/wifi.h

@@ -22,17 +22,13 @@ namespace Wifi {
       Serial.println("Reconnecting to WiFi netowrk...");
     }
   }, &ts);
-  Task tConnected(TASK_IMMEDIATE, TASK_ONCE, [](){
-    Serial.println("Wifi connected event");
-    printStatus();
-    Ota::tLoop.enable();
-  }, &ts);
 
   void setup() {
     stationConnectedHandler = WiFi.onStationModeGotIP([](const WiFiEventStationModeGotIP& e) {
-      Serial.println("Reconnected to network.");
-      tConnected.restart();
+      Serial.println("Connected to network.");
+      printStatus();
       tReconnect.cancel();
+      Ota::tLoop.enable();
     });
 
     stationDisconnectedHandler = WiFi.onStationModeDisconnected([](const WiFiEventStationModeDisconnected& e) {
@@ -54,12 +50,6 @@ namespace Wifi {
     currentPsk = WiFi.psk();
   }
 
-  void disconnect() {
-    Serial.println("Disconnecting WiFi");
-    WiFi.disconnect();
-    WiFi.forceSleepBegin();
-  }
-
   void printStatus() {
     // print the SSID of the network you're attached to:
     Serial.print("SSID: ");