Refactor logo path handling in update-data.js

- Updated logic to create a Set of logo filenames instead of paths.
- Stripped directory path from logo.path to ensure only filenames are compared.
- Adjusted filtering for new logos to check against filenames directly.
- Ensured consistency in handling logo paths across the scanLogos and main functions.
- Minor formatting adjustments in logos.json to ensure proper file structure.

public/data/emblems.json

@@ -5,4 +5,4 @@
     "format": "SVG",
     "disable": false
   }
-]
+]

public/data/logos.json

@@ -3589,4 +3589,4 @@
     ],
     "brand": "Bvr"
   }
-]
+]