net: ena: Remove redundant print of placement policy

The placement policy is printed in the process of queue creation in
ena_up(). No need to print it in ena_probe().

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>