Disable translation copy
Disable translation copy

By default Zanata copies translations from other versions, let's disable
this for now, it currently leads to undesired effects.

See also
http://docs.zanata.org/en/latest/user-guide/translation-reuse/copy-trans/

Change-Id: I4ed5ad34c1c42ac70926a379b58e2dd72cb6a750

Tesora/tesora-project-config,noorul/os-project-config,Tesora/tesora-project-config,noorul/os-project-config,openstack-infra/project-config,openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config