[TD-10750]remove default checkout in jenkins

Jenkinsfile

 import hudson.model.Result
+import hudson.model.*;
 import jenkins.model.CauseOfInterruption
-properties([pipelineTriggers([githubPush()])])
 node {
-    git url: 'https://github.com/taosdata/TDengine.git'
 }
 
 def skipbuild=0
+def win_stop=0
 
 def abortPreviousBuilds() {
   def currentJobName = env.JOB_NAME
@@ -121,6 +121,7 @@ def pre_test(){
 
 pipeline {
   agent none
+  options { skipDefaultCheckout() } 
   environment{
       WK = '/var/lib/jenkins/workspace/TDinternal'
       WKC= '/var/lib/jenkins/workspace/TDinternal/community'
@@ -128,6 +129,7 @@ pipeline {
   stages {
       stage('pre_build'){
           agent{label 'master'}
+          options { skipDefaultCheckout() } 
           when {
               changeRequest()
           }
@@ -181,6 +183,7 @@ pipeline {
       }
       stage('Parallel test stage') {
         //only build pr
+        options { skipDefaultCheckout() } 
         when {
           allOf{
               changeRequest()