drm/i915: Remove duplicate inclusion of drm/drm_edid.h

drm/drm_edid.h was included twice.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: NJani Nikula <jani.nikula@intel.com>
Signed-off-by: NDaniel 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 <drm/drmP.h>
-#include <drm/drm_edid.h>
 #include "intel_drv.h"
 #include "i915_drv.h"