restore strict validation for several objects (#15733)

Author: ScottSuarez

mmv1/api/resource.go

@@ -25,7 +25,6 @@ import (
 	"text/template"
 
 	"github.com/golang/glog"
-	"gopkg.in/yaml.v3"
 
 	"github.com/GoogleCloudPlatform/magic-modules/mmv1/api/product"
 	"github.com/GoogleCloudPlatform/magic-modules/mmv1/api/resource"
@@ -416,18 +415,6 @@ type TGCResource struct {
 	CaiAssetNameFormat string `yaml:"cai_asset_name_format,omitempty"`
 }
 
-func (r *Resource) UnmarshalYAML(value *yaml.Node) error {
-	type resourceAlias Resource
-	aliasObj := (*resourceAlias)(r)
-
-	err := value.Decode(aliasObj)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 // // MarshalYAML implements a custom marshaller to omit dynamic default values.
 func (r *Resource) MarshalYAML() (interface{}, error) {
 	type resourceAlias Resource

mmv1/api/resource/sample.go

@@ -97,19 +97,6 @@ type Sample struct {
 	TGCSkipTest string `yaml:"tgc_skip_test,omitempty"`
 }
 
-// Set default value for fields
-func (s *Sample) UnmarshalYAML(unmarshal func(any) error) error {
-	type sampleAlias Sample
-	aliasObj := (*sampleAlias)(s)
-
-	err := unmarshal(aliasObj)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 func (s *Sample) TestSampleSlug(productName, resourceName string) string {
 	ret := fmt.Sprintf("%s%s_%sExample", productName, resourceName, google.Camelize(s.Name, "lower"))
 	return ret

mmv1/api/resource/step.go

@@ -113,18 +113,6 @@ type Step struct {
 	PrimaryResourceId    string `yaml:"-"`
 }
 
-func (s *Step) UnmarshalYAML(unmarshal func(any) error) error {
-	type stepAlias Step
-	aliasObj := (*stepAlias)(s)
-
-	err := unmarshal(aliasObj)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 func (s *Step) TestStepSlug(productName, resourceName string) string {
 	ret := fmt.Sprintf("%s%s_%sExample", productName, resourceName, google.Camelize(s.Name, "lower"))
 	return ret