util: use runtime.Version() to get Go version (#53619) (#55535)

close #53618

pkg/util/printer/printer.go

@@ -18,8 +18,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	_ "runtime" // import link package
-	_ "unsafe"  // required by go:linkname
+	"runtime"
 
 	"github.com/pingcap/tidb/pkg/config"
 	"github.com/pingcap/tidb/pkg/parser/mysql"
@@ -29,6 +28,12 @@ import (
 	"go.uber.org/zap"
 )
 
+var buildVersion string
+
+func init() {
+	buildVersion = runtime.Version()
+}
+
 // PrintTiDBInfo prints the TiDB version information.
 func PrintTiDBInfo() {
 	fields := []zap.Field{
@@ -175,6 +180,3 @@ func GetPrintResult(cols []string, datas [][]string) (string, bool) {
 	value = append(value, getPrintDivLine(maxColLen)...)
 	return string(value), true
 }
-
-//go:linkname buildVersion runtime.buildVersion
-var buildVersion string