Remove redundant checks around networkMulticastDNSUpdate

Author: PaulZC

Firmware/RTK_Everywhere/Network.ino

@@ -2458,8 +2458,7 @@ void networkUpdate()
 
     // Update the network services
     // Start or stop mDNS
-    if (networkMdnsRequests != networkMdnsRunning)
-        networkMulticastDNSUpdate();
+    networkMulticastDNSUpdate();
 
     // Update the network services
     DMW_c("mqttClientUpdate");