storage: Clean up logical pool devices on build failure
storage: Clean up logical pool devices on build failure

If the build fails, then we need to ensure that we've run pvremove
on any devices which we've run pvcreate on; otherwise, a subsequent
build could fail since running pvcreate twice on a device requires
special force arguments.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

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