drm/amd/display: remove duplicated include from dc_link.c

Remove duplicated include.
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -45,10 +45,6 @@
 #include "dpcd_defs.h"
 #include "dmcu.h"
 #include "hw/clk_mgr.h"
-#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
-#include "resource.h"
-#endif
-#include "hw/clk_mgr.h"
 
 #define DC_LOGGER_INIT(logger)