migration/rdma: Remove deprecated variable rdma_return_path

It's no longer needed since commit
44bcfd45e98 ("migration/rdma: destination: create the return patch after the first accept")

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
1 file changed