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>

docs/INVENTORY_COLUMN_MAPPING.md

@@ -195,7 +195,7 @@ GROUP BY m.machineid;
 
 ## Coverage Summary
 
-✅ **100% Coverage** - All 35 inventory columns mapped to database
+ **100% Coverage** - All 35 inventory columns mapped to database
 
 **Storage Distribution:**
 - `machines` table: 11 columns
@@ -207,8 +207,8 @@ GROUP BY m.machineid;
 - Various lookup tables: 3 columns
 
 **Design Benefits:**
-- ✅ Normalized structure (no redundancy)
-- ✅ Flexible relationships (dualpath, controller associations)
-- ✅ Extensible (easy to add new fields/types)
-- ✅ Complete audit trail
-- ✅ Single source of truth
+-  Normalized structure (no redundancy)
+-  Flexible relationships (dualpath, controller associations)
+-  Extensible (easy to add new fields/types)
+-  Complete audit trail
+-  Single source of truth