docs/page.xls: remove unnecessary namespace attribute
docs/page.xls: remove unnecessary namespace attribute

It breaks the build on RHEL-5.10 and because it's only optional we
could remove it from the code. The default namespace will be used.
This hunk was introduced by commit 237a088ba44633b08e0528fe5103d99b1e213b71.

Signed-off-by: Pavel Hrdina <d4772d05997b8abf035041e3b4f4996380ea7e7a@redhat.com>

olafhering/libvirt,jfehlig/libvirt,andreabolognani/libvirt,taget/libvirt,zippy2/libvirt,agx/libvirt,shugaoye/libvirt,nertpinx/libvirt,crobinso/libvirt,elmarco/libvirt,rlaager/libvirt,jfehlig/libvirt,taget/libvirt,zippy2/libvirt,crobinso/libvirt,libvirt/libvirt,jardasgit/libvirt,taget/libvirt,jfehlig/libvirt,eskultety/libvirt,shugaoye/libvirt,shugaoye/libvirt,rlaager/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,olafhering/libvirt,elmarco/libvirt,libvirt/libvirt,agx/libvirt,agx/libvirt,eskultety/libvirt,datto/libvirt,jardasgit/libvirt,crobinso/libvirt,rlaager/libvirt,elmarco/libvirt,zippy2/libvirt,elmarco/libvirt,andreabolognani/libvirt,olafhering/libvirt,eskultety/libvirt,datto/libvirt,andreabolognani/libvirt,zippy2/libvirt,fabianfreyer/libvirt,eskultety/libvirt,rlaager/libvirt,crobinso/libvirt,agx/libvirt,shugaoye/libvirt,fabianfreyer/libvirt,elmarco/libvirt,datto/libvirt,rlaager/libvirt,agx/libvirt,jardasgit/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,eskultety/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,taget/libvirt,datto/libvirt,datto/libvirt,nertpinx/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,taget/libvirt,jfehlig/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,libvirt/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,olafhering/libvirt,jardasgit/libvirt,libvirt/libvirt