Clean up development artifacts and obsolete code

Dependencies:
- Remove unused bcrypt package (only bcryptjs is used)
- Remove @types/bcrypt (only @types/bcryptjs needed)

Scripts cleanup:
- Delete migration scripts (one-time use, already applied):
  - add-mqtt-tables.js
  - add-parent-user-column.js
  - migrate-device-ownership.js
  - fix-acl-topic-patterns.js
  - update-acl-permission.js
- Delete personal test/debug scripts:
  - reset-joachim-password.js
  - test-joachim-password.js
  - check-admin.js
  - check-user-password.js
  - test-password.js
  - test-device-access.js
  - test-user-visibility.js
- Move change-mqtt-admin-password.sh to scripts/ directory

Code cleanup:
- Remove debug console.log statements from:
  - app/api/locations/ingest/route.ts
  - components/map/MapView.tsx (2 debug logs)
  - lib/db.ts

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

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

package.json

@@ -23,13 +23,11 @@
   "dependencies": {
     "@react-email/components": "^0.5.7",
     "@tailwindcss/postcss": "^4.1.17",
-    "@types/bcrypt": "^6.0.0",
     "@types/bcryptjs": "^2.4.6",
     "@types/leaflet": "^1.9.21",
     "@types/node": "^24.10.1",
     "@types/react": "^19.2.4",
     "@types/react-dom": "^19.2.3",
-    "bcrypt": "^6.0.0",
     "bcryptjs": "^3.0.3",
     "better-sqlite3": "^12.4.1",
     "leaflet": "^1.9.4",