fix multi-byte to single-byte

[Takanori Miyagishi]

There are some multi-byte apostrophe(’) in "openstack-ops/ch_arch_scaling.xml" and "openstack-ops/ch_ops_projects_users.xml".
It occurs character corruption.

for example:
  L621: cloud’s hardware is stable and configured correctly means that your

  This apostrophe is multi-byte code and should be fix to single-byte code.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/231807

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/231807
Committed: https://git.openstack.org/cgit/openstack/operations-guide/commit/?id=6761d9a401d46fa2468cf953cba0ad3a4df1c2f6
Submitter: Jenkins
Branch: master

commit 6761d9a401d46fa2468cf953cba0ad3a4df1c2f6
Author: Takanori Miyagishi <email address hidden>
Date: Wed Oct 7 11:46:31 2015 +0900

    Fix multi-byte characters to single-byte

    Fix multi-byte apostrophe to single-byte in Operations-guide.

    Change-Id: I266d97bc02395a1f9ba58f6b264c29832b9a10ae
    Closes-Bug: #1503505