drm/amdgpu: remove irq_src->data handling

That is unused for quite some time now.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c

@@ -382,11 +382,6 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
 
 			kfree(src->enabled_types);
 			src->enabled_types = NULL;
-			if (src->data) {
-				kfree(src->data);
-				kfree(src);
-				adev->irq.client[i].sources[j] = NULL;
-			}
 		}
 		kfree(adev->irq.client[i].sources);
 		adev->irq.client[i].sources = NULL;

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

@@ -62,7 +62,6 @@ struct amdgpu_irq_src {
 	unsigned				num_types;
 	atomic_t				*enabled_types;
 	const struct amdgpu_irq_src_funcs	*funcs;
-	void *data;
 };
 
 struct amdgpu_irq_client {