Remove hardcoded NTP server role names

[OpenStack Infra]

https://review.openstack.org/300297
Dear bug triager. This bug was created since a commit was marked with DOCIMPACT.

commit 776a17dd946b4782991b156d3e6b7fbdfa2bf817
Author: Kyrylo Galanov <email address hidden>
Date: Fri Apr 1 05:53:24 2016 +0200

    Remove hardcoded NTP server role names

    NTP server roles can be overriden.

    Change-Id: Ib75dd9e2d1baac6c23489ac5b365bb643728d737
    DocImpact: New paratemer ntp_server_roles
    Closes-bug: #1563465

[Bug Checker Bot (bug-checker)]

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[Fuel Devops McRobotson (fuel-devops-robot)]

Fix proposed to branch: master
Change author: Mariia Zlatkova <email address hidden>
Review: https://review.fuel-infra.org/21279

[Fuel Devops McRobotson (fuel-devops-robot)]

Reviewed: https://review.fuel-infra.org/21279
Submitter: Olga Gusarenko <email address hidden>
Branch: master

Commit: 677dfb6fbad51f2a8ee135db93ad1dbed171ffc8
Author: Mariia Zlatkova <email address hidden>
Date: Thu May 26 11:24:13 2016

[RN MOS9.0] Other resolved issues

Adds the following resolved issue to the
MOS9.0 release notes:

- #1563465 Roles are hardcoded in ntp task

Change-Id: I3be853e4d50418020ddb491006663d556034e370
Closes-Bug: #1567882

[Alex Schultz (alex-schultz)]

It should be noted that this change is not in 9, but in 10. We probably should revert the release note

[Maria Zlatkova (mzlatkova)]

Reverting the release note as confirmed with Alex Schultz and Kyrylo Galanov:
https://review.fuel-infra.org/#/c/22385/