Revert "Merge branch 'dev/k8s-deviceid-model' into master"

This reverts commit 194c27fadf, reversing
changes made to 96d4d79d1f.

vendor/k8s.io/api/certificates/v1beta1/zz_generated.deepcopy.go

@@ -124,15 +124,12 @@ func (in *CertificateSigningRequestSpec) DeepCopyInto(out *CertificateSigningReq
 		in, out := &in.Extra, &out.Extra
 		*out = make(map[string]ExtraValue, len(*in))
 		for key, val := range *in {
-			var outVal []string
 			if val == nil {
 				(*out)[key] = nil
 			} else {
-				in, out := &val, &outVal
-				*out = make(ExtraValue, len(*in))
-				copy(*out, *in)
+				(*out)[key] = make([]string, len(val))
+				copy((*out)[key], val)
 			}
-			(*out)[key] = outVal
 		}
 	}
 	return