removed unused code in distant chat, removed some debug output

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7698 b45a01b8-16f6-495d-af2f-9b41ad6348cc
removed uninitialised memory read

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7699 b45a01b8-16f6-495d-af2f-9b41ad6348cc