drm/panel: simple: Remove useless drm_mode_set_name()

drm_display_mode_from_videomode() already calls drm_mode_set_name() on
the provided mode.

Signed-off-by: Boris Brezillon <[e-mail]>
[[e-mail]: slightly reword commit message]
Signed-off-by: Thierry Reding <[e-mail]>

drivers/gpu/drm/panel/panel-simple.c

···
 		if (panel->desc->num_modes == 1)
 			mode->type |= DRM_MODE_TYPE_PREFERRED;
 
-		drm_mode_set_name(mode);
-
 		drm_mode_probed_add(connector, mode);
 		num++;
 	}