Allow promote only to release-engineering and aptly-promote-users

Change-Id: I12c9d012a9f2b1fb8181b683f91e2d48cd61264f
diff --git a/aptly-promote-pipeline.groovy b/aptly-promote-pipeline.groovy
index b9545a7..795080f 100644
--- a/aptly-promote-pipeline.groovy
+++ b/aptly-promote-pipeline.groovy
@@ -29,12 +29,9 @@
     node("docker&&hardware") {
         try {
 
-            if (("testing" in TARGET || "proposed" in TARGET) && !jenkinsUtils.currentUserInGroup(["release-engineering", "aptly-promote-users"])) {
+            if (!jenkinsUtils.currentUserInGroup(["release-engineering", "aptly-promote-users"])) {
                 insufficientPermissions = true
-                throw new Exception("Only release-engineering or aptly-promote-users can perform promote to testing.")
-            } else if (!jenkinsUtils.currentUserInGroup(["release-engineering"])) {
-                insufficientPermissions = true
-                throw new Exception("Only release-engineering team can perform promote.")
+                throw new Exception("Only release-engineering or aptly-promote-users can perform promote to " + TARGET)
             }
             stage("promote") {
                 // promote is restricted to users in aptly-promote-users LDAP group