examples: remove extra new line after link duplex

examples: remove extra new line after link duplex

This patch removes extra 'new line' in few app examples.

Fixes: d3641ae863 ("examples: update link status checks")
Fixes: 387259bd6c ("examples/l2fwd-crypto: add sample application")
Fixes: 4ff457986f ("examples/l2fwd-event: add default poll mode routines")
Fixes: e64833f227 ("examples/l2fwd-keepalive: add sample application")
Fixes: 204896f8d6 ("examples/l2fwd-jobstats: add new example")
Fixes: c8e6ceeceb ("examples/ioat: add new sample app for ioat driver")
Fixes: cc8f4d020c ("examples/ip_reassembly: initial import")
Fixes: d299106e8e ("examples/ipsec-secgw: add IPsec sample application")
Fixes: 39aad0e88c ("examples/flow_distributor: new example to demonstrate EFD")
Fixes: d48415e1fe ("examples/performance-thread: add l3fwd-thread app")
Fixes: 20c78ac9ee ("examples/vm_power_mgr: add port initialisation")
Fixes: 361b2e9559 ("acl: new sample l3fwd-acl")
Fixes: de3cfa2c98 ("sched: initial import")
Fixes: d7937e2e3d ("power: initial import")
Fixes: 3fc5ca2f63 ("kni: initial import")
Cc: stable@dpdk.org
Signed-off-by: Ivan Dyukov <i.dyukov@samsung.com>