deleted unused import

Author: NicholasYancey

go.mod

@@ -9,7 +9,6 @@ require (
 	github.com/spf13/cobra v1.9.1
 	github.com/spf13/pflag v1.0.6
 	github.com/vmware-tanzu/velero v1.16.1
-	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/api v0.33.1
 	k8s.io/apimachinery v0.33.1
 	k8s.io/client-go v0.33.1