Move compression workaround to linux.system.single

Change-Id: If3c73da20b9035e64efc15fc58cb38c1e8740699
diff --git a/linux/system/single/init.yml b/linux/system/single/init.yml
index 8de2dda..c7c583b 100644
--- a/linux/system/single/init.yml
+++ b/linux/system/single/init.yml
@@ -21,6 +21,10 @@
           version: purged
         mcelog:
           version: latest
+      apt:
+        config:
+          compression-workaround:
+            "Acquire::CompressionTypes::Order": "gz"
       kernel:
         modules:
           - nf_conntrack