tools/xenserver: Remove 'cleanup_sm_locks'
tools/xenserver: Remove 'cleanup_sm_locks'

XenServer 6.0 has long since been replaced and the bug was fixed in 6.1
[1]. No need to keep this legacy script around.

[1] https://bugs.launchpad.net/nova/+bug/1103158/comments/1

Change-Id: I8c41e88281aaf4250859622142a2f03f4452e1be

vmturbo/nova,jianghuaw/nova,mikalstill/nova,gooddata/openstack-nova,mahak/nova,jianghuaw/nova,vmturbo/nova,jianghuaw/nova,gooddata/openstack-nova,rahulunair/nova,mikalstill/nova,gooddata/openstack-nova,klmitch/nova,openstack/nova,klmitch/nova,klmitch/nova,rahulunair/nova,mahak/nova,mahak/nova,openstack/nova,rahulunair/nova,jianghuaw/nova,vmturbo/nova,phenoxim/nova,vmturbo/nova,klmitch/nova,openstack/nova,mikalstill/nova,gooddata/openstack-nova,phenoxim/nova