Remove evolution results summary and update README

Deleted EVOLUTION_RESULTS.md and removed the link to it from the signal processing README. This cleans up the repository by eliminating the detailed results summary and its reference.

Author: codelion

examples/signal_processing/EVOLUTION_RESULTS.md

@@ -229,7 +229,6 @@ This framework can be adapted for various domains:
 - **Correlation**: 0.147 (22% improvement in signal fidelity)
 - **Lag Error**: 0.914 (24% reduction in responsiveness delay)
 
-📊 **[View Detailed Results](EVOLUTION_RESULTS.md)** - Complete analysis with technical details
 
 ### Algorithmic Sophistication Achieved:
 ```python