Removing Go 1.10 from Travis matrix builds
Removing Go 1.10 from Travis matrix builds

Go 1.10 is out of support and incompatible with staticcheck

Signed-off-by: Ivan Kozlovic <a15f8b81a160b4eebe5c84e9e3b65c87b9b2f18e@synadia.com>

nats-io/nats-streaming-server,nats-io/nats-streaming-server