iser-target: Remove redundant call to isert_conn_terminate

We are calling session reinstatement, wait_conn will start
connection termination.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --cc drivers/infiniband/ulp/isert/ib_isert.c
Simple merge