Always extract etcd archive

Change-Id: I54990e9c11597c6a1c92c5bc91ab91dc89f84174
Related-PROD: PROD-28767 (PROD:28767)
diff --git a/etcd/server/service.sls b/etcd/server/service.sls
index 9390da3..6b0b55f 100644
--- a/etcd/server/service.sls
+++ b/etcd/server/service.sls
@@ -95,6 +95,7 @@
     - source_hash: {{ server.etcd_source_hash }}
     - enforce_toplevel: false
     - options: --strip=1
+    - overwrite: true
     - archive_format: tar
     - keep: true
     {%- if grains.get('noservices') %}