drm/amd/display: Remove unused OPP functions from interface

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/inc/hw/opp.h

@@ -281,15 +281,6 @@ struct opp_funcs {
 			bool enable,
 			bool rightEyePolarity);
 
-	void (*opp_set_test_pattern)(
-			struct output_pixel_processor *opp,
-			bool enable);
-
-	void (*opp_dpg_blank_enable)(
-			struct output_pixel_processor *opp,
-			bool enable,
-			int width,
-			int height);
 };
 
 #endif