drm/amd/display: Remove duplicate include of hubp.h

In commit 482812d5 ("drm/amd/display: Set max TTU on
DPG enable"), "hubp.h" was added which caused the duplicate include.
To be on the safe side, remove the later duplicate include.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -59,7 +59,6 @@
 #include "dc_link_ddc.h"
 #include "dm_helpers.h"
 #include "mem_input.h"
-#include "hubp.h"
 
 #include "dc_link_dp.h"
 #include "dc_dmub_srv.h"