drm/amdkfd: remove duplicate include of kfd_svm.h

kfd_svm.h is included duplicately in commit 42de677f
("drm/amdkfd: register svm range").

After checking possible related header files,
remove the former one to make the code format more reasonable.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_process.c

@@ -35,7 +35,6 @@
 #include <linux/pm_runtime.h>
 #include "amdgpu_amdkfd.h"
 #include "amdgpu.h"
-#include "kfd_svm.h"
 
 struct mm_struct;