remove gui2 and mvvm from doxy docu

Doc/Doxygen/long/Doxyfile.in

@@ -863,9 +863,7 @@ INPUT                  = @CMAKE_SOURCE_DIR@/Doc/Doxygen/long \
                          @CMAKE_SOURCE_DIR@/Sample \
                          @CMAKE_SOURCE_DIR@/Device \
                          @CMAKE_SOURCE_DIR@/Core \
-                         @CMAKE_SOURCE_DIR@/GUI \
-                         @CMAKE_SOURCE_DIR@/gui2 \
-                         @CMAKE_SOURCE_DIR@/mvvm
+                         @CMAKE_SOURCE_DIR@/GUI
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses