Remove workaround with kube_proxy_remove (#6512)

* kube-proxy never gets deployed so need to remove it

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -148,7 +148,7 @@
     {{ bin_dir }}/kubeadm init
     --config={{ kube_config_dir }}/kubeadm-config.yaml
     --ignore-preflight-errors=all
-    --skip-phases=addon/coredns
+    --skip-phases={{ kubeadm_init_phases_skip | join(',') }}
     --upload-certs
   register: kubeadm_init
   # Retry is because upload config sometimes fails