Update tripleo-image-elements install
Update tripleo-image-elements install

Removed patch as it has been merged.

dpkshetty/instack-undercloud,rdo-management/instack-undercloud,agroup/instack-undercloud,agroup/instack-undercloud,dpkshetty/instack-undercloud,rdo-management/instack-undercloud,eprasad/instack-undercloud,dmsimard/instack-undercloud,eprasad/instack-undercloud,bcrochet/instack-undercloud,dmsimard/instack-undercloud,bcrochet/instack-undercloud