drm/i915: remove intel_vbt_panel_data::edp::initialized

intel_vbt_panel_data::edp::initialized is not used since commit
9f0e7ff4b366 (drm/i915: fetch eDP configuration data from the VBT).
Drop it.

Found by https://github.com/jirislaby/clang-struct.

Signed-off-by: Jiri Slaby (SUSE) <[e-mail]>
Cc: Jani Nikula <[e-mail]>
Cc: Joonas Lahtinen <[e-mail]>
Cc: Rodrigo Vivi <[e-mail]>
Cc: Tvrtko Ursulin <[e-mail]>
Cc: [e-mail]
Acked-by: Jani Nikula <[e-mail]>
Signed-off-by: Rodrigo Vivi <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/display/intel_display_types.h

···
 		struct edp_power_seq pps;
 		u8 drrs_msa_timing_delay;
 		bool low_vswing;
-		bool initialized;
 		bool hobl;
 	} edp;