updates for TGC-ISS in Jenkinfile

Jenkinsfile

@@ -137,7 +137,6 @@ pipeline {
                 }
             } 
         }
-        stages{
         stage("Checkout TGC-ISS, TGC-Compliance and TGC-GEN"){
                     steps {
                         sh 'rm -rf * .??* '
@@ -177,7 +176,6 @@ pipeline {
                         */
                     }
                 }
-            }
 
         stage("start to check") {
             steps {