rationalisation of logs and removal of duplicate codes (it should fix also #931) (#1093)

* Rationalisation of logs and removal of duplicate codes

main/ZgatewayBT.ino

@@ -101,6 +101,7 @@ void pubBTMainCore(JsonObject& data, bool haPresenceEnabled = true) {
     if (data.containsKey("servicedata"))
       data.remove("servicedata");
     String topic = String(Base_Topic) + "home_presence/" + String(gateway_name);
+    Log.trace(F("Pub HA Presence %s" CR), topic.c_str());
     pub_custom_topic((char*)topic.c_str(), data, false);
   }
 }