drm/amd/display: remove unused definition

Eliminate the following warnings:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_resource.c:1222:43: warning: unused variable 'res_create_maximus_funcs'
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_resource.c:658:38: warning: unused variable 'debug_defaults_diags'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5296
Fixes: 25879d7b ("drm/amd/display: Clean FPGA code in dc")
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c

@@ -655,22 +655,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 		.use_max_lb = true,
 };
 
-static const struct dc_debug_options debug_defaults_diags = {
-		.disable_dmcu = false,
-		.force_abm_enable = false,
-		.timing_trace = true,
-		.clock_trace = true,
-		.disable_dpp_power_gate = true,
-		.disable_hubp_power_gate = true,
-		.disable_clock_gate = true,
-		.disable_pplib_clock_request = true,
-		.disable_pplib_wm_range = true,
-		.disable_stutter = true,
-		.disable_48mhz_pwrdwn = true,
-		.enable_tri_buf = true,
-		.use_max_lb = true
-};
-
 static const struct dc_panel_config panel_config_defaults = {
 		.psr = {
 			.disable_psr = false,
@@ -1219,13 +1203,6 @@ static const struct resource_create_funcs res_create_funcs = {
 	.create_hwseq = dcn21_hwseq_create,
 };
 
-static const struct resource_create_funcs res_create_maximus_funcs = {
-	.read_dce_straps = NULL,
-	.create_audio = NULL,
-	.create_stream_encoder = NULL,
-	.create_hwseq = dcn21_hwseq_create,
-};
-
 static const struct encoder_feature_support link_enc_feature = {
 		.max_hdmi_deep_color = COLOR_DEPTH_121212,
 		.max_hdmi_pixel_clock = 600000,