drm/amd/display: remove unused force_ignore_link_settings debug option

[why]
Remove force_ignore_link_settings debug option as it is no longer used.
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -772,8 +772,6 @@ static bool dc_construct(struct dc *dc,
 	dc->clk_mgr->force_smu_not_present = init_params->force_smu_not_present;
 #endif
 
-	dc->debug.force_ignore_link_settings = init_params->force_ignore_link_settings;
-
 	if (dc->res_pool->funcs->update_bw_bounding_box)
 		dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params);
 

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

@@ -526,7 +526,6 @@ struct dc_debug_options {
 	bool usbc_combo_phy_reset_wa;
 	bool disable_dsc;
 	bool enable_dram_clock_change_one_display_vactive;
-	bool force_ignore_link_settings;
 	union mem_low_power_enable_options enable_mem_low_power;
 };
 
@@ -679,7 +678,6 @@ struct dc_init_data {
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 	bool force_smu_not_present;
 #endif
-	bool force_ignore_link_settings;
 };
 
 struct dc_callback_init {