Mega city only : the mayor appear twice for each of the 6 mega cities we have

What I was trying to do:

Mega city only : the mayor appear twice for each of the 6 mega cities we have

What I expected to happen:

I want to see the mayor at the top only

What actually happened:

I see the mayor twice

The code for "My government" works well in my case. The problem only happens from the map.