drm/nouveau/nvif: remove driver keep/fini

These are remnants of code long gone.  Remove them.
Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240726043828.58966-19-bskeggs@nvidia.com

drivers/gpu/drm/nouveau/include/nvif/driver.h

@@ -8,13 +8,11 @@ struct nvif_driver {
 	const char *name;
 	int (*init)(const char *name, u64 device, const char *cfg,
 		    const char *dbg, void **priv);
-	void (*fini)(void *priv);
 	int (*suspend)(void *priv);
 	int (*resume)(void *priv);
 	int (*ioctl)(void *priv, void *data, u32 size, void **hack);
 	void __iomem *(*map)(void *priv, u64 handle, u32 size);
 	void (*unmap)(void *priv, void __iomem *ptr, u32 size);
-	bool keep;
 };
 
 int nvif_driver_init(const char *drv, const char *cfg, const char *dbg,

drivers/gpu/drm/nouveau/nouveau_nvif.c

@@ -97,5 +97,4 @@ nvif_driver_nvkm = {
 	.ioctl = nvkm_client_ioctl,
 	.map = nvkm_client_map,
 	.unmap = nvkm_client_unmap,
-	.keep = false,
 };

drivers/gpu/drm/nouveau/nvif/client.c

@@ -51,11 +51,7 @@ void
 nvif_client_dtor(struct nvif_client *client)
 {
 	nvif_object_dtor(&client->object);
-	if (client->driver) {
-		if (client->driver->fini)
-			client->driver->fini(client->object.priv);
-		client->driver = NULL;
-	}
+	client->driver = NULL;
 }
 
 int