staging: erofs: remove redundant unlikely annotation in unzip_vle.c

unlikely has already included in IS_ERR(),
so just remove it.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/erofs/unzip_vle.c

@@ -539,7 +539,7 @@ static int z_erofs_vle_work_iter_begin(struct z_erofs_vle_work_builder *builder,
 	if (unlikely(work == ERR_PTR(-EAGAIN)))
 		goto repeat;
 
-	if (unlikely(IS_ERR(work)))
+	if (IS_ERR(work))
 		return PTR_ERR(work);
 got_it:
 	z_erofs_pagevec_ctor_init(&builder->vector,