Remove a bunch of unused cruft

internal/utils.go

@@ -357,14 +357,6 @@ func PrettyURL(uri string) string {
 	return fmt.Sprintf("%s/%s", u.Hostname(), strings.TrimPrefix(u.EscapedPath(), "/"))
 }
 
-// IsAdminUserFactory returns a function that returns true if the user provided
-// is the configured pod administrator, false otherwise.
-func IsAdminUserFactory(conf *Config) func(user *User) bool {
-	return func(user *User) bool {
-		return NormalizeUsername(conf.AdminUser) == NormalizeUsername(user.Username)
-	}
-}
-
 func URLForPage(baseURL, page string) string {
 	return fmt.Sprintf(
 		"%s/%s",