Merge pull request #29695 from ixodie/patch-5

Removed Contiv.io

Author: k8s-ci-robot

content/en/docs/concepts/cluster-administration/networking.md

@@ -145,7 +145,7 @@ Coil operates with a low overhead compared to bare metal, and allows you to defi
 
 ### Contiv
 
-[Contiv](https://github.com/contiv/netplugin) provides configurable networking (native l3 using BGP, overlay using vxlan,  classic l2, or Cisco-SDN/ACI) for various use cases. [Contiv](https://contiv.io) is all open sourced.
+[Contiv](https://github.com/contiv/netplugin) provides configurable networking (native l3 using BGP, overlay using vxlan,  classic l2, or Cisco-SDN/ACI) for various use cases.
 
 ### Contrail / Tungsten Fabric