remove duplicate pmxt entry in prediction markets (#509)

Co-authored-by: Paweł Fijałkowski <pawelfijalkowski@Pawes-MacBook-Air-2.local>

README.md

@@ -532,7 +532,6 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [polymarket-whales](https://github.com/al1enjesus/polymarket-whales) - `Python` - Real-time whale trade tracker for Polymarket — terminal alerts + Telegram notifications when large orders hit the book.
 - [Polymarket Scanner API](https://github.com/vesper-astrena/polymarket-scanner-api) - `Python` - Real-time arbitrage detection API for Polymarket prediction markets, scanning 12,000+ markets for mispricings.
 - [SimpleFunctions](https://github.com/spfunctions/simplefunctions-cli) - `JavaScript` - Prediction market intelligence CLI for Kalshi and Polymarket. Causal thesis models, edge detection, 24/7 orderbook monitoring, what-if scenarios, and trade execution. MCP server for AI agent integration.
-- [pmxt](https://github.com/pmxt-dev/pmxt) - `Python` `JavaScript` - The CCXT for prediction markets. A unified API for trading on Polymarket, Kalshi, and more.
 - [PolyMind](https://polyminds.netlify.app/) - `Python` - Real-time Polymarket trading alerts with multi-AI analysis (Groq, Claude, Gemini). Track whale bets, volume spikes, coordinated wallets, and 12 signal types. Free tier available. [GitHub](https://github.com/samirasadov28-code/PolyMind)
 - [prediction-market-maker](https://github.com/octavi42/prediction-market-maker) - `Python` - Open-source market-making strategy that placed #2 in Paradigm's prediction market challenge, with full strategy evolution and analysis.
 - [Oracle3](https://github.com/YichengYang-Ethan/oracle3) - `Python` - Autonomous trading agent for Kalshi, Polymarket, and Solana — Wang Transform pricing (calibrated on 291k resolved contracts) drives eight constraint-based arbitrage strategies and Kelly-sized model trades.