Removed automatic modpack integration step.

Jenkinsfile

@@ -6,7 +6,7 @@ pipeline {
                 cleanWs(patterns: [[pattern: 'publish/**', type: 'INCLUDE']])
             }
         }
-        stage("server launch test") {
+        stage("server trial") {
             steps {
                 dir('server') {
                     sh 'echo "eula=true" > eula.txt'
@@ -28,13 +28,5 @@ pipeline {
                 zip archive: true, dir: 'server', exclude: '', glob: '', overwrite: true, zipFile: 'publish/RSEMCS_server.zip'
             }
         }
-        stage("build downstream") {
-            when {
-                branch '**/master'
-            }
-            steps {
-                build wait: false, job: '../rsemcs/sync-modpack'
-            }
-        }
     }
 }