drm/amdgpu: Drop dead define in amdgpu.h

the struct was not in use any more.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -616,31 +616,6 @@ void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
  */
 void amdgpu_test_moves(struct amdgpu_device *adev);
 
-
-/*
- * amdgpu smumgr functions
- */
-struct amdgpu_smumgr_funcs {
-	int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
-	int (*request_smu_load_fw)(struct amdgpu_device *adev);
-	int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
-};
-
-/*
- * amdgpu smumgr
- */
-struct amdgpu_smumgr {
-	struct amdgpu_bo *toc_buf;
-	struct amdgpu_bo *smu_buf;
-	/* asic priv smu data */
-	void *priv;
-	spinlock_t smu_lock;
-	/* smumgr functions */
-	const struct amdgpu_smumgr_funcs *smumgr_funcs;
-	/* ucode loading complete flag */
-	uint32_t fw_flags;
-};
-
 /*
  * ASIC specific register table accessible by UMD
  */
@@ -976,9 +951,6 @@ struct amdgpu_device {
 	u32				cg_flags;
 	u32				pg_flags;
 
-	/* amdgpu smumgr */
-	struct amdgpu_smumgr smu;
-
 	/* gfx */
 	struct amdgpu_gfx		gfx;