k3s_server_post: always set _cilium_bgp_neighbors (#597)

Related to eddbcbfb76

Signed-off-by: Christian Berendt <berendt@osism.tech>
Co-authored-by: Techno Tim <timothystewart6@gmail.com>

roles/k3s_server_post/tasks/cilium.yml

@@ -224,7 +224,6 @@
         - name: Set _cilium_bgp_neighbors fact
           ansible.builtin.set_fact:
             _cilium_bgp_neighbors: "{{ lookup('community.general.merge_variables', '^cilium_bgp_neighbors__.+$', initial_value=cilium_bgp_neighbors, groups=cilium_bgp_neighbors_groups) }}"  # yamllint disable-line rule:line-length
-          when: cilium_bgp_neighbors | length > 0
 
         - name: Copy BGP manifests to first master
           ansible.builtin.template: