drm/amd/display/amdgpu_dm/amdgpu_dm.c: Remove duplicate header

Remove dm_services_types.h which is included more than once
Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -38,7 +38,6 @@
 #include "amd_shared.h"
 #include "amdgpu_dm_irq.h"
 #include "dm_helpers.h"
-#include "dm_services_types.h"
 #include "amdgpu_dm_mst_types.h"
 #if defined(CONFIG_DEBUG_FS)
 #include "amdgpu_dm_debugfs.h"