Revert "feat: add commit HASH to extra"

This reverts commit de9a3d2118.

pkg/build/agent.tpl

@@ -30,7 +30,6 @@ import (
 	"sync/atomic"
 	"time"
 	"testing"
-	"os/exec"
 
 	"{{.GlobalCoverVarImportPath}}/websocket"
 
@@ -116,14 +115,6 @@ func register (host string) {
 			time.Sleep(waitDelay)
 			continue
 		}
-        cmd := exec.Command("git", "describe", "--abbrev=8", "--always")
-        output, err := cmd.Output()
-        if err != nil {
-            fmt.Println("git describe Error:", err)
-        }else{
-            version := string(output)
-            register_extra = register_extra + "_" + version
-        }
 
 		// 注册，直接将元信息放在 ws 地址中
 		v := url.Values{}