Revert "store value in prototype as last resort, and use it in property storage"

This reverts commit 84f186e.

The reason for that - pureqml does not have to call anything initially.
No storage == no change from default value == no onChanged call

Author: whoozle

core/Object.qml

@@ -175,9 +175,6 @@ EventEmitter {
 		if (storage !== undefined)
 			return storage
 
-		if (value === undefined)
-			value = this["__default_" + name]
-
 		return this.__properties[name] = new $core.core.PropertyStorage(value)
 	}
 

core/core.js

@@ -561,12 +561,8 @@ PropertyStoragePrototype.callOnChangedWithCurrentValue = function(object, name,
 		return
 
 	var value = this.value
-	if (value === undefined)
-	{
-		var defaultValue = object["__default_" + name]
-		callback(defaultValue)
+	if (value === undefined) //default - nothing changed since storage was created.
 		return
-	}
 
 	var invoker = $core.safeCall(object, [value], function(ex) { log("on " + name + " changed callback failed: ", ex, ex.stack) })
 	invoker(callback)
@@ -646,7 +642,6 @@ exports.addProperty = function(proto, type, name, defaultValue) {
 	} else {
 		defaultValue = getDefaultValueForType(type)
 	}
-	proto["__default_" + name] = defaultValue
 
 	var createStorage = function(newValue) {
 		var properties = this.__properties