drm/amdkfd: Remove redundant include of amd-iommu.h

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

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

@@ -20,9 +20,6 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2)
-#include <linux/amd-iommu.h>
-#endif
 #include <linux/bsearch.h>
 #include <linux/pci.h>
 #include <linux/slab.h>