drm/amd/display: Remove duplicated include in dcn35_clk_mgr.c

./drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c: dcn35_clk_mgr.h is included more than once.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c

@@ -46,7 +46,6 @@
 /* TODO: remove this include once we ported over remaining clk mgr functions*/
 #include "dcn30/dcn30_clk_mgr.h"
 #include "dcn31/dcn31_clk_mgr.h"
-#include "dcn35_clk_mgr.h"
 
 #include "dc_dmub_srv.h"
 #include "link.h"