Removing some unneded FakeApp instance (#14139)

app/web_hub.go

@@ -61,12 +61,7 @@ func (a *App) NewWebHub() *Hub {
 }
 
 func (a *App) TotalWebsocketConnections() int {
-	count := int64(0)
-	for _, hub := range a.Srv().GetHubs() {
-		count = count + atomic.LoadInt64(&hub.connectionCount)
-	}
-
-	return int(count)
+	return a.Srv().TotalWebsocketConnections()
 }
 
 func (a *App) HubStart() {