Remove cluster's subnode from ListProfiles result.

Fix prolbem which ListProfiles return subnodes in Mult-Node clusters as
a part of inValidPs.

pkg/minikube/config/profile.go

@@ -207,8 +207,9 @@ func ListProfiles(miniHome ...string) (validPs []*Profile, inValidPs []*Profile,
 	if err == nil {
 		pDirs = append(pDirs, cs...)
 	}
-	pDirs = removeDupes(pDirs)
-	for _, n := range pDirs {
+
+	nodeNames := map[string]bool{}
+	for _, n := range removeDupes(pDirs) {
 		p, err := LoadProfile(n, miniHome...)
 		if err != nil {
 			inValidPs = append(inValidPs, p)
@@ -219,7 +220,13 @@ func ListProfiles(miniHome ...string) (validPs []*Profile, inValidPs []*Profile,
 			continue
 		}
 		validPs = append(validPs, p)
+
+		for _, child := range p.Config.Nodes {
+			nodeNames[MachineName(p.Config, &child)] = true
+		}
 	}
+
+	inValidPs = removeChildNodes(inValidPs, nodeNames)
 	return validPs, inValidPs, nil
 }
 
@@ -243,6 +250,17 @@ func removeDupes(profiles []string) []string {
 	return result
 }
 
+func removeChildNodes(inValidPs []*Profile, nodeNames map[string]bool) []*Profile {
+	ps := []*Profile{}
+	for _, p := range inValidPs {
+		if _, ok := nodeNames[p.Name]; !ok {
+			ps = append(ps, p)
+		}
+	}
+
+	return ps
+}
+
 // LoadProfile loads type Profile based on its name
 func LoadProfile(name string, miniHome ...string) (*Profile, error) {
 	cfg, err := DefaultLoader.LoadConfigFromFile(name, miniHome...)