fix netapp compute side. Do not introduce new role for package

Change-Id: I87c54b60a05c9117f0204adf4c3cb5fcf9e22601
diff --git a/tests/pillar/netapp.sls b/tests/pillar/netapp.sls
index 7a7baa0..7746433 100644
--- a/tests/pillar/netapp.sls
+++ b/tests/pillar/netapp.sls
@@ -22,10 +22,8 @@
   volume:
     enabled: true
     version: mitaka
-  compute:
-    enabled: true
-    version: mitaka
-    backend:
-      netapp:
-        engine: netapp
-        storage_protocol: nfs
+linux:
+  system:
+    package:
+      nfs-common:
+        version: latest