Fix ncaafb ranking display (#45)

* Fix NCAAFB ranking display issue

- Remove duplicate ranking system that was drawing rankings behind team logos
- Old system (_get_rank) was drawing rankings at top of logos
- New system (_fetch_team_rankings) correctly draws rankings in bottom corners
- Remove old ranking calls from live, recent, and upcoming game drawing functions
- Remove unnecessary _fetch_rankings() calls from update methods
- Rankings now only appear in designated corner positions, not overlapping logos

Fixes issue where team rankings/betting lines were being drawn behind
team logos instead of replacing team records in the corners.

* Add missing show_ranking and show_records options to NCAAFB web UI

- Add show_ranking option to NCAAFB scoreboard config template
- Add show_records and show_ranking toggle switches to NCAAFB web UI
- Update JavaScript form collection to include new fields
- Users can now control whether to show team records or rankings via web interface

This completes the fix for NCAAFB ranking display - users can now enable
show_ranking in the web UI to see AP Top 25 rankings instead of team records.

config/config.template.json

@@ -305,6 +305,7 @@
         ],
         "logo_dir": "assets/sports/ncaa_logos",
         "show_records": true,
+        "show_ranking": true,
         "display_modes": {
             "ncaa_fb_live": true,
             "ncaa_fb_recent": true,