Cleanup OpenSUSE mirroring

This removes debug and non-oss packages from our opensuse mirrors. These
shouldn't be needed by any jobs so we don't need to mirror them. The
goal here is to reduce overall disk consumption where possible.

Change-Id: Ic48f421e8e7cf7bae039b68b8ed3bc2a5c8e278b

playbooks/roles/mirror-update/files/opensuse-mirror-update

@@ -58,6 +58,7 @@ for DISTVER in 15.2 ; do
         --delete --stats \
         --delete-excluded \
         --exclude="iso" \
+        --exclude="non-oss/" \
         --exclude=".~tmp~" \
         $MIRROR/$REPO/ $BASE/$REPO/
 
@@ -73,6 +74,9 @@ for DISTVER in 15.2 ; do
         --delete-excluded \
         --exclude="src/" \
         --exclude="nosrc/" \
+        --exclude="non-oss/" \
+        --exclude="non-oss_debug/" \
+        --exclude="oss_debug/" \
         --exclude=".~tmp~" \
         $MIRROR/$REPO/ $BASE/$REPO/
 done