Revert "DocumentReader implemented for GuiDocument.xml reading."

This reverts commit 5f101af3e9.

src/App/Extension.cpp

@@ -34,6 +34,7 @@
 #include "ExtensionPython.h"
 #include <ExtensionPy.h>
 
+
 /* We do not use a standard property macro for type initiation. The reason is that we have the first
  * PropertyData in the extension chain, there is no parent property data.
  */
@@ -78,6 +79,7 @@ void Extension::initExtensionType(Base::Type type) {
 }
 
 void Extension::initExtension(ExtensionContainer* obj) {
+
     if (m_extensionType.isBad())
         throw Base::RuntimeError("Extension: Extension type not set");
 
@@ -203,24 +205,6 @@ bool Extension::extensionHandleChangedPropertyType(Base::XMLReader &reader, cons
     return false;
 };
 
-bool Extension::extensionHandleChangedPropertyName(Base::DocumentReader &reader, const char * TypeName, const char *PropName)
-{
-    (void) reader;
-    (void) TypeName;
-    (void) PropName;
-
-    return false;
-};
-
-bool Extension::extensionHandleChangedPropertyType(Base::DocumentReader &reader, const char * TypeName, Property * prop)
-{
-    (void) reader;
-    (void) TypeName;
-    (void) prop;
-
-    return false;
-};
-
 namespace App {
 EXTENSION_PROPERTY_SOURCE_TEMPLATE(App::ExtensionPython, App::ExtensionPython::Inherited)