DigitalOcean: don't try to set SSE
DigitalOcean: don't try to set SSE

We lost the p.sse check in a bad merge; restoring it here.

Fix #5519

aledbf/kops,kubernetes/kops,justinsb/kops,gambol99/kops,aledbf/kops,kubernetes/kops,robinpercy/kops,robinpercy/kops,blakebarnett/kops,justinsb/kops,blakebarnett/kops,blakebarnett/kops,aledbf/kops,robinpercy/kops,justinsb/kops,blakebarnett/kops,kubernetes/kops,aledbf/kops,gambol99/kops,gambol99/kops,gambol99/kops,robinpercy/kops