drm/amd/display: remove unused definition

Eliminate the following warning:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:889:43: warning: unused variable 'res_create_maximus_funcs'
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/dcn10/dcn10_resource.c

@@ -886,13 +886,6 @@ static const struct resource_create_funcs res_create_funcs = {
 	.create_hwseq = dcn10_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 = dcn10_hwseq_create,
-};
-
 static void dcn10_clock_source_destroy(struct clock_source **clk_src)
 {
 	kfree(TO_DCE110_CLK_SRC(*clk_src));