Minor fix: removing chains should be synchronous.
Minor fix: removing chains should be synchronous.

neiljerram/felix,alexhersh/calico,Metaswitch/calico,TrimBiggs/calico,TrimBiggs/calico,neiljerram/felix,Metaswitch/calico,neiljerram/felix,neiljerram/felix,matthewdupre/felix,alexhersh/calico,matthewdupre/felix