RDMA/nes: Get rid of "set but not used" variables

Delete dead code in various places that is shown by gcc 4.6's new
-Wunused-but-set-variable warnings.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --cc drivers/infiniband/hw/nes/nes.c
Simple merge

diff --cc drivers/infiniband/hw/nes/nes_cm.c
Simple merge

diff --cc drivers/infiniband/hw/nes/nes_hw.c
Simple merge

diff --cc drivers/infiniband/hw/nes/nes_nic.c
Simple merge

diff --cc drivers/infiniband/hw/nes/nes_verbs.c
Simple merge