They don't attempt to restrict CC in Kirkland but rather carrying furtively with the intent to conceal. Most people do not furtively carry a firearm.
Besides that both of those codes are repealed by 9.41.290 and are unenforceable unless they want to end up in litigation. You only need to concern yourself with the RCW's.
There is some work going on that may put an end to all these pre-empted local codes once and for all.