removing dfrouter's --all-end-follower option as it's not longer needed and buggy

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15913 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
tests patched, was: removing dfrouter's --all-end-follower option as it's not longer needed and buggy

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15914 29f149b2-0c63-11e1-8f5c-a347f6a9acd0