Remove --namespaces from Travis because it's the default now

bashbrew/travis.sh

@@ -33,6 +33,6 @@ fi
 # TODO that will change eventually!
 
 set -x
-./bashbrew.sh list --namespaces='_' "${repos[@]}"
+./bashbrew.sh list "${repos[@]}"
 ./bashbrew.sh build --no-build "${repos[@]}"
 ./bashbrew.sh push --no-push "${repos[@]}"