Allow only one form of addProperty order

Author: facchinm

src/ArduinoCloudV2.h

@@ -44,15 +44,7 @@ class ArduinoCloudClass {
 
   #define addProperty( v, ...) addPropertyReal(v, #v, __VA_ARGS__)
 
-  template<typename T, typename N> void addPropertyReal(T& property, String name, permissionType _permission = READWRITE, long seconds = ON_CHANGE, N minDelta = N(0), void(*fn)(void) = NULL) {
-    Thing.addPropertyReal(property, name, _permission, seconds, fn, (T)minDelta);
-  }
-
-  template<typename T, typename N> void addPropertyReal(T& property, String name, permissionType _permission = READWRITE, long seconds = ON_CHANGE, void(*fn)(void) = NULL, N minDelta = N(0)) {
-    Thing.addPropertyReal(property, name, _permission, seconds, fn, (T)minDelta);
-  }
-
-  template<typename T, typename N> void addPropertyReal(T& property, String name, permissionType _permission = READWRITE, void(*fn)(void) = NULL, long seconds = ON_CHANGE, N minDelta = N(0)) {
+  template<typename T, typename N=T> void addPropertyReal(T& property, String name, permissionType _permission = READWRITE, long seconds = ON_CHANGE, void(*fn)(void) = NULL, N minDelta = N(0)) {
     Thing.addPropertyReal(property, name, _permission, seconds, fn, (T)minDelta);
   }