Update Jenkinsfile for correct submodule behaviour

Jenkinsfile

@@ -7,8 +7,10 @@ node {
 }
 
   stage('Build') {
+/*
     sh "git submodule init"
-    sh "git submodule update --force --remote"    
+    sh "git submodule update --force --remote"
+*/
     sh "'${mvnHome}/bin/mvn' -U clean verify -Ptextgrid.deb"
   }