cloud/aws: move maintenance calls to separate file

internal/cloud/awscloud/awscloud.go

@@ -534,59 +534,6 @@ func (a *AWS) shareSnapshot(snapshotId string, userIds []string) error {
 	return nil
 }
 
-func (a *AWS) RemoveSnapshotAndDeregisterImage(image *ec2types.Image) error {
-	if image == nil {
-		return fmt.Errorf("image is nil")
-	}
-
-	var snapshots []*string
-	for _, bdm := range image.BlockDeviceMappings {
-		snapshots = append(snapshots, bdm.Ebs.SnapshotId)
-	}
-
-	_, err := a.ec2.DeregisterImage(
-		context.Background(),
-		&ec2.DeregisterImageInput{
-			ImageId: image.ImageId,
-		},
-	)
-	if err != nil {
-		return err
-	}
-
-	for _, s := range snapshots {
-		_, err = a.ec2.DeleteSnapshot(
-			context.Background(),
-			&ec2.DeleteSnapshotInput{
-				SnapshotId: s,
-			},
-		)
-		if err != nil {
-			// TODO return err?
-			logrus.Warn("Unable to remove snapshot", s)
-		}
-	}
-	return err
-}
-
-// For service maintenance images are discovered by the "Name:composer-api-*" tag filter. Currently
-// all image names in the service are generated, so they're guaranteed to be unique as well. If
-// users are ever allowed to name their images, an extra tag should be added.
-func (a *AWS) DescribeImagesByTag(tagKey, tagValue string) ([]ec2types.Image, error) {
-	imgs, err := a.ec2.DescribeImages(
-		context.Background(),
-		&ec2.DescribeImagesInput{
-			Filters: []ec2types.Filter{
-				{
-					Name:   aws.String(fmt.Sprintf("tag:%s", tagKey)),
-					Values: []string{tagValue},
-				},
-			},
-		},
-	)
-	return imgs.Images, err
-}
-
 func (a *AWS) S3ObjectPresignedURL(bucket, objectKey string) (string, error) {
 	logrus.Infof("[AWS] 📋 Generating Presigned URL for S3 object %s/%s", bucket, objectKey)