Remove emojis from all markdown docs, add consolidation plan

- Strip emojis from 47 markdown files across docs/, sql/, and root
- Add docs/DOCS_CONSOLIDATION_PLAN.md with plan to reduce 45 docs to 8
- Establish no-emoji rule for documentation going forward

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

sql/migration_phase2/README.md

@@ -111,7 +111,7 @@ Comprehensive verification script with 9 sections:
 8. Backup table verification
 9. Final summary and critical issues check
 
-All checks should show ✓ status with 0 critical issues.
+All checks should show  status with 0 critical issues.
 
 ## How to Run
 
@@ -274,7 +274,7 @@ mysql -u root -p shopdb < VERIFY_PHASE2_MIGRATION.sql
 ```
 
 Review output for:
-- All checks showing ✓ status
+- All checks showing  status
 - Critical issues count = 0
 - Record counts matching expected values