Remove external repo for etcs packages

Fixes: PROD-24491 (PROD:24491)

Change-Id: I8c504f593e0fb4ee01fe7c9b58d7441bc0596f8b
diff --git a/tests/pillar/cluster.sls b/tests/pillar/cluster.sls
index a91825f..04d0549 100644
--- a/tests/pillar/cluster.sls
+++ b/tests/pillar/cluster.sls
@@ -15,3 +15,13 @@
     - host: 10.0.175.103
       name: etcd03
       port: 4001
+linux:
+  system:
+    enabled: true
+    name: system_name
+    env:
+      enabled: false
+    profile:
+      enabled: false
+    shell:
+      enabled: false