Revert "vz: fixed race in vzDomainAttach/DettachDevice"
Revert "vz: fixed race in vzDomainAttach/DettachDevice"

This reverts commit 3a6cf6fc16.

Mistakenly this commit was pushed because I thought I missed the
corret one b880ff42ddb while in fact I didn't.

Signed-off-by: Maxim Nestratov <3521c777060d1ad4ae08bba7eb9d80264eaeb236@virtuozzo.com>

VenkatDatta/libvirt,datto/libvirt,libvirt/libvirt,nertpinx/libvirt,crobinso/libvirt,eskultety/libvirt,eskultety/libvirt,olafhering/libvirt,zippy2/libvirt,fabianfreyer/libvirt,libvirt/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,nertpinx/libvirt,taget/libvirt,andreabolognani/libvirt,crobinso/libvirt,eskultety/libvirt,datto/libvirt,crobinso/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,olafhering/libvirt,olafhering/libvirt,datto/libvirt,zippy2/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,eskultety/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,zippy2/libvirt,taget/libvirt,andreabolognani/libvirt,jfehlig/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,datto/libvirt,olafhering/libvirt,andreabolognani/libvirt,eskultety/libvirt,jfehlig/libvirt,jfehlig/libvirt,nertpinx/libvirt,nertpinx/libvirt,taget/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,crobinso/libvirt,taget/libvirt,jardasgit/libvirt,zippy2/libvirt,fabianfreyer/libvirt,taget/libvirt,libvirt/libvirt,datto/libvirt,andreabolognani/libvirt,libvirt/libvirt,jardasgit/libvirt,nertpinx/libvirt