Performance
- Hardcoded display update interval to 20 ticks (1 second) for consistent performance, removed display-update-ticks from config.yml

Removals
- Complete removal of economy system including commands: /kothar shop, /kothar rank, /kothar coins, /kothar eco, /kothar balance, /kothar pay
- Removed economy reward/loss logic from kills, deaths, captures, and wins
- Removed economy-related language entries from English, Spanish, French, Portuguese, and Russian translations
- Removed text-based leaderboard output
- Removed Top Coins category from leaderboard GUI
- Removed kothar.admin.eco permission
- Removed kothar.admin.list from admin permission children

New Features
- /kothar list now displays center X and Z coordinates of each KOTH zone
- Added {coords} placeholder to list format
- /kothar help now filters displayed commands based on user permissions (admins see all, users see only permitted commands)

Improvements
- /kothar top now always opens GUI menu instead of text output
- Changed /kothar list permission from kothar.admin.list to kothar.list (default: true, all players)
- Added kothar.playtime permission (default: true, all players)
- kothar.top permission remains default true

Fixes
- Fixed "no player data" display issue in leaderboard GUI