Fix the errorneous use of instead of , use the --remove-dup parameter instead...

Fix the errorneous use of  instead of , use the --remove-dup parameter instead of calling filter_kwslist.pl (speed-ups things significantly)

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@2454 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8