ceph-object-corpus: remove hammer foo and bar coll_t's

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/ceph-object-corpus b/ceph-object-corpus
index ef8a3bd8f5d358bdb40a8d61abd25b24b033ed5b..67383cc060dd9f90d398eed5a00e31eb70845dd8 160000 (submodule)
--- a/ceph-object-corpus
+++ b/ceph-object-corpus
@@ -1 +1 @@
-Subproject commit ef8a3bd8f5d358bdb40a8d61abd25b24b033ed5b
+Subproject commit 67383cc060dd9f90d398eed5a00e31eb70845dd8