update examples.md (#4364)
update examples.md (#4364)

`--graphstore` in the triples cli does not need to be separated by ` -- `.
kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe