refactor: inline validate function

Moved the `validators` up to the package as initializing them every time makes no sense, and inline the call as otherwise there would be only one statement in the function.

pkg/deploy/internal/validate/validate.go

@@ -28,19 +28,15 @@ type Validator interface {
 	Validate(p project.Project, c config.Config) error
 }
 
+var validators = []Validator{
+	classic.NewValidator(),
+	&setting.DeprecatedSchemaValidator{},
+	&setting.InsertAfterSameScopeValidator{},
+}
+
 // Validate verifies that the passed projects are sound to an extent that can be checked before deployment.
 // This means, that only checks can be performed that work on 'static' data.
 func Validate(projects []project.Project) error {
-	defaultValidators := []Validator{
-		classic.NewValidator(),
-		&setting.DeprecatedSchemaValidator{},
-		&setting.InsertAfterSameScopeValidator{},
-	}
-
-	return validate(projects, defaultValidators)
-}
-
-func validate(projects []project.Project, validators []Validator) error {
 	errs := make(errors.EnvironmentDeploymentErrors)
 
 	for _, p := range projects {