vinayakankugoyal: Remove remnants of basic auth from cluster bootstrap.

JobBuild
101678
05-04 01:55
b8776296
05-04 01:54
pull-kubernetes-conformance-kind-ga-only-parallel 1389397987389607936
pull-kubernetes-dependencies 1389397987234418688
pull-kubernetes-e2e-gce-100-performance 1389397987528019968
pull-kubernetes-e2e-gce-ubuntu-containerd 1389397987276361728
pull-kubernetes-e2e-kind 1389397987339276288
pull-kubernetes-e2e-kind-ipv6 1389397987364442112
pull-kubernetes-integration 1389397987305721856
pull-kubernetes-node-crio-e2e 1389397987490271232
pull-kubernetes-node-e2e 1389397987452522496
pull-kubernetes-typecheck 1389397988048113664
pull-kubernetes-unit 1389397987418968064
pull-kubernetes-verify 1389397989730029568
pull-kubernetes-verify-govet-levee 1389397988882780160