drm/i915: Remove the double handling of 'flags from intel_mode_from_pipe_config()

We're trying to copy the flags from the adjusted mode to the
passed in mode twice. Once is enough.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222140442.7204-2-ville.syrjala@linux.intel.comReviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/intel_display.c

@@ -8391,7 +8391,6 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
 	mode->type = DRM_MODE_TYPE_DRIVER;
 
 	mode->clock = pipe_config->base.adjusted_mode.crtc_clock;
-	mode->flags |= pipe_config->base.adjusted_mode.flags;
 
 	mode->hsync = drm_mode_hsync(mode);
 	mode->vrefresh = drm_mode_vrefresh(mode);