Revert "Replace ntp package with ntp-dev"
We don't have ntp-dev package on public mirrors yet,
so process of provisioning fails.

This reverts commit b0c585ea9a2e7eeb01fde3a26739b4404236a985.

Change-Id: Ic71c0f5404b7bed17b034089313d0ba58935b895
Merge "Revert "Replace ntp package with ntp-dev" We don't have ntp-dev package on public mirrors yet, so process of provisioning fails."