remove unmapped submodule
diff --git a/xos/configurations/cord/ceilometer-plugins b/xos/configurations/cord/ceilometer-plugins
deleted file mode 160000
index 87cd53b..0000000
--- a/xos/configurations/cord/ceilometer-plugins
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 87cd53b99e43b12f2a175a65440f02f53b564069