[Jenkins/Linux-SGX] Enable Apache regression test

Jenkinsfiles/Linux-SGX

@@ -88,7 +88,6 @@ pipeline {
                             sleep 10
                             LOOP=1 CONCURRENCY_LIST="1 32" ./benchmark-http.sh `hostname -I|tr -d '[:space:]'`:8000
                             '''
-                            /*
                         sh '''
                             cd LibOS/shim/test/apps/apache
                             make SGX=1
@@ -97,7 +96,6 @@ pipeline {
                             sleep 15
                             LOOP=1 CONCURRENCY_LIST="1 32" ./benchmark-http.sh `hostname -I|tr -d '[:space:]'`:8001
                             '''
-                            */
                     }
                     post {
                         always {