net/smc: remove redundant re-assignment of pointer link

The pointer link is being re-assigned the same value that it was
initialized with in the previous declaration statement. The
re-assignment is redundant and can be removed.

Fixes: 387707fd ("net/smc: convert static link ID to dynamic references")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>