drm/amd/display: Remove redundant include file

This fixes 1 PW.INCLUDE_RECURSION reported by Coverity.

"./drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h"
includes itself: dc_types.h -> dal_types.h -> dc_types.h

Acked-by: Wayne Lin <[e-mail]>
Signed-off-by: Alex Hung <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/include/dal_types.h

···
 #define __DAL_TYPES_H__
 
 #include "signal_types.h"
-#include "dc_types.h"
 
 struct dal_logger;
 struct dc_bios;