Chore: Remove unused function

pkg/nonjson/product_key.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/base64"
-	"errors"
 	"fmt"
 	"github.com/zsrv/supermicro-product-key/pkg/oob"
 	"strconv"
@@ -26,24 +25,6 @@ func NewProductKey() *ProductKey {
 	}
 }
 
-// NewProductKeyForSKU returns a new ProductKey for the given license SKU,
-// or an error if the SKU could not be matched to a software identifier.
-func NewProductKeyForSKU(sku string) (*ProductKey, error) {
-	if sku == "" {
-		return nil, errors.New("sku must not be empty")
-	}
-
-	pk := NewProductKey()
-
-	softwareIdentifier, err := SoftwareIdentifiers.BySKU(sku)
-	if err != nil {
-		return nil, err
-	}
-	pk.SoftwareIdentifier = *softwareIdentifier
-
-	return pk, nil
-}
-
 type ProductKey struct {
 	// FormatVersion is the format version of the product key.
 	// The only valid value is 0.