Fixing issue with failing to remove 02-clustering.xml

https://git.opendaylight.org/gerrit/#/c/8304/
removed the antiquated remoterpc stuff, but
failed to remove the 02-clustering.xml file.

Change-Id: I4b20ee620821ee945fd51b3d37eb7c24b491a0bd
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Merge "Fixing issue with failing to remove 02-clustering.xml"