Update nodeup/pkg/model/ntp.go
Update nodeup/pkg/model/ntp.go

updated to non group capturing

Co-Authored-By: John Gardiner Myers <417a0501a2a48b0b674f24f24b1420961dc2d759@proofpoint.com>
justinsb/kops,kubernetes/kops,kubernetes/kops,justinsb/kops,kubernetes/kops,justinsb/kops