tests: lib: gui: lvgl: Remove explicitly enabled CONFIG_DUMMY_DISPLAY
The CONFIG_DUMMY_DISPLAY is now enabled in conjunction with devicetree,
So, no need to be explicitly enabled.
Remove the setting.
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
diff --git a/tests/lib/gui/lvgl/prj.conf b/tests/lib/gui/lvgl/prj.conf
index 9266865..2667982 100644
--- a/tests/lib/gui/lvgl/prj.conf
+++ b/tests/lib/gui/lvgl/prj.conf
@@ -2,7 +2,6 @@
CONFIG_DISPLAY=y
CONFIG_SDL_DISPLAY=n
-CONFIG_DUMMY_DISPLAY=y
CONFIG_LOG=y