Remove obsolete debugging scripts and redundant documentation

Deleted from demos/01-eliza/scripts/:
- compare_rules.py, generate_correct_rules.py (superseded by scripts/)
- debug_pattern_expansion.py, debug_specific_patterns.py (obsolete debugging)
- test_regex_generation.py (regex approach replaced with word-based)
- verify_classic_conversation.py (superseded by test suite)
- instructions.txt (duplicate of cs-for-psych source)
- quick_test.sh, comprehensive_eliza_test.py (replaced by JS tests)
- test_js_implementation.cjs, test_synonym_matching.cjs (ad-hoc debugging)

Deleted from demos/15-chatbot-evolution/:
- demo-conversation.mjs (debugging script)
- CHANGES.md, CODE_CHANGES_SUMMARY.md, FILES_CREATED.md (redundant)
- TESTING.md, TESTING_INDEX.md, TESTING_COMPLETE.md (obsolete)
- IMPLEMENTATION_SUMMARY.md (redundant with git history)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: jeremymanning