etc: "xtreemfs-dir start" showed chown and rm errors complaining about...

etc: "xtreemfs-dir start" showed chown and rm errors complaining about non-existing files when started the first time. Removed these chown and rm commands as they don't exist in the other init scripts.

git-svn-id: https://xtreemfs.googlecode.com/svn/trunk@2818 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534