vendor updates

vendor/k8s.io/kubernetes/pkg/util/slice/slice.go

@@ -68,3 +68,24 @@ func ContainsString(slice []string, s string, modifier func(s string) string) bo
 	}
 	return false
 }
+
+// RemoveString returns a newly created []string that contains all items from slice that
+// are not equal to s and modifier(s) in case modifier func is provided.
+func RemoveString(slice []string, s string, modifier func(s string) string) []string {
+	newSlice := make([]string, 0)
+	for _, item := range slice {
+		if item == s {
+			continue
+		}
+		if modifier != nil && modifier(item) == s {
+			continue
+		}
+		newSlice = append(newSlice, item)
+	}
+	if len(newSlice) == 0 {
+		// Sanitize for unit tests so we don't need to distinguish empty array
+		// and nil.
+		newSlice = nil
+	}
+	return newSlice
+}