Revert "Fix network for cicd-bm-k8s model"

This reverts commit bef60d90a51245a883831f4312ed6414874dc317.

Change-Id: Icbe1a770b3270a332d94592ec66cb4493b2afc4e
diff --git a/tcp_tests/managers/k8smanager.py b/tcp_tests/managers/k8smanager.py
index 759e716..5b43254 100644
--- a/tcp_tests/managers/k8smanager.py
+++ b/tcp_tests/managers/k8smanager.py
@@ -105,16 +105,10 @@
         return [self.__underlay.host_by_node_name(node_name=v)
                 for pillar in masters_fqdn for k, v in pillar.items()]
 
-    def get_masters_name(self):
-        """ Return list of kubernetes masters hosts fqdn """
-        masters_fqdn = self._salt.get_pillar(
-            tgt='I@kubernetes:master', pillar='linux:network:fqdn')
-        return [v for pillar in masters_fqdn for k, v in pillar.items()]
-
     @property
     def controller_name(self):
         """ Return node name of controller node that used for all actions """
-        names = [node for node in self.get_masters_name()]
+        names = [node['node_name'] for node in self.get_controllers()]
         # we want to return same controller name every time
         names.sort()
         return names[0]