fix status of OPENCV_HIGHGUI_BUILTIN_BACKEND

Author: kozinove

modules/highgui/CMakeLists.txt

@@ -39,14 +39,6 @@ if(HAVE_WEBP)
   add_definitions(-DHAVE_WEBP)
 endif()
 
-if(WITH_FRAMEBUFFER)
-  add_definitions(-DHAVE_FRAMEBUFFER)
-  list(APPEND highgui_srcs ${CMAKE_CURRENT_LIST_DIR}/src/window_framebuffer.cpp)
-  list(APPEND highgui_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/window_framebuffer.hpp)
-  list(APPEND highgui_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/XWDFile.h)
-  list(APPEND highgui_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/Xmd.h)
-endif()
-
 file(GLOB highgui_ext_hdrs
      "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/*.hpp"
      "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.hpp"