Remove not required AsyncEventSource

include/WebApi.h

@@ -40,7 +40,6 @@ private:
     Task _loopTask;
 
     AsyncWebServer _server;
-    AsyncEventSource _events;
 
     WebApiConfigClass _webApiConfig;
     WebApiDeviceClass _webApiDevice;

src/WebApi.cpp

@@ -9,14 +9,11 @@
 
 WebApiClass::WebApiClass()
     : _server(HTTP_PORT)
-    , _events("/events")
 {
 }
 
 void WebApiClass::init(Scheduler* scheduler)
 {
-    _server.addHandler(&_events);
-
     _webApiConfig.init(&_server);
     _webApiDevice.init(&_server);
     _webApiDevInfo.init(&_server);