Update members of the mod team (#505)

- Removes steffan153, who deleted their account long time ago,
- Adds Kacarott

content/community/moderation/index.mdx

@@ -65,8 +65,8 @@ Moderators, like all other community members, must stick to the [Codewars Code o
 - [donaldsebleung](https://www.codewars.com/users/donaldsebleung)
 - [g964](https://www.codewars.com/users/g964)
 - [hobovsky](https://www.codewars.com/users/hobovsky)
+- [Kacarott](https://www.codewars.com/users/Kacarott)
 - [monadius](https://www.codewars.com/users/monadius)
-- [steffan153](https://www.codewars.com/users/steffan153)
 - [Unnamed](https://www.codewars.com/users/Unnamed)
 
 They can be recognized by the symbol of a shield (<Aligned icon={IconShield} />) displayed next to their username.