Removed Cirrus CI test

This does not have a unit tests and cannot possibly
return true because the string it is compared to
is converted to lowercase

checks/evaluation/ci_tests.go

@@ -128,7 +128,7 @@ func isTest(s string) bool {
 	for _, pattern := range []string{
 		"appveyor", "buildkite", "circleci", "e2e", "github-actions", "jenkins",
 		"mergeable", "packit-as-a-service", "semaphoreci", "test", "travis-ci",
-		"flutter-dashboard", "Cirrus CI",
+		"flutter-dashboard",
 	} {
 		if strings.Contains(l, pattern) {
 			return true