Delete unittest binary on jenkins ci packaging stage

ci/jenkins/Jenkinsfile

@@ -75,7 +75,7 @@ pipeline {
                             steps {
                                 container('milvus-build-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/step/package.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/packaging.groovy"
                                     }
                                 }
                             }

ci/jenkins/scripts/packaging.sh

+#!/usr/bin/env bash
+
+set -ex
+
+pip3 install -r requirements.txt
+./yaml_processor.py merge -f /opt/milvus/conf/server_config.yaml -m ../yaml/update_server_config.yaml -i && \
+rm /opt/milvus/conf/server_config.yaml.bak
+
+if [ -d "/opt/milvus/unittest" ]; then
+  rm -rf "/opt/milvus/unittest"
+fi
+
+tar -zcvf ./${PROJECT_NAME}-${PACKAGE_VERSION}.tar.gz -C /opt/ milvus
\ No newline at end of file

ci/jenkins/step/package.groovy → ci/jenkins/step/packaging.groovy

 timeout(time: 5, unit: 'MINUTES') {
     dir ("ci/jenkins/scripts") {
-        sh "pip3 install -r requirements.txt"
-        sh "./yaml_processor.py merge -f /opt/milvus/conf/server_config.yaml -m ../yaml/update_server_config.yaml -i && rm /opt/milvus/conf/server_config.yaml.bak"
+        sh "./packaging.sh"
     }
-    sh "tar -zcvf ./${PROJECT_NAME}-${PACKAGE_VERSION}.tar.gz -C /opt/ milvus"
     withCredentials([usernamePassword(credentialsId: "${params.JFROG_CREDENTIALS_ID}", usernameVariable: 'JFROG_USERNAME', passwordVariable: 'JFROG_PASSWORD')]) {
         def uploadStatus = sh(returnStatus: true, script: "curl -u${JFROG_USERNAME}:${JFROG_PASSWORD} -T ./${PROJECT_NAME}-${PACKAGE_VERSION}.tar.gz ${params.JFROG_ARTFACTORY_URL}/milvus/package/${PROJECT_NAME}-${PACKAGE_VERSION}.tar.gz")
         if (uploadStatus != 0) {