drm/i915: remove duplicated include from intel_modes.c

Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_modes.c

@@ -28,7 +28,6 @@
 #include <linux/fb.h>
 #include <drm/drm_edid.h>
 #include "drmP.h"
-#include "drm_edid.h"
 #include "intel_drv.h"
 #include "i915_drv.h"