drm/amd/display: Remove dead enable_plane function definition and call

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Jordan Lazare <Jordan.Lazare@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/dce110/dce110_hw_sequencer.c

@@ -2053,9 +2053,6 @@ enum dc_status dce110_apply_ctx_to_hw(
 				context,
 				dc);
 
-		if (dc->hwss.enable_plane)
-			dc->hwss.enable_plane(dc, pipe_ctx, context);
-
 		if (DC_OK != status)
 			return status;
 	}

drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h

@@ -138,10 +138,6 @@ struct hw_sequencer_funcs {
 
 	void (*disable_plane)(struct dc *dc, struct pipe_ctx *pipe_ctx);
 
-	void (*enable_plane)(struct dc *dc,
-			struct pipe_ctx *pipe,
-			struct dc_state *context);
-
 	void (*update_info_frame)(struct pipe_ctx *pipe_ctx);
 
 	void (*enable_stream)(struct pipe_ctx *pipe_ctx);