Revert "Keep ADS-B on local startup tiles"

This reverts commit 2ceeb520e9.

templates/adsb_dashboard.html

@@ -2180,22 +2180,6 @@ sudo make install</code>
             return layer;
         }
 
-        function shouldAutoUpgradeRadarTiles(config) {
-            if (!config || !config.url) return false;
-
-            try {
-                const resolvedUrl = new URL(config.url, window.location.origin);
-
-                // Keep the zero-network fallback grid as the default map for any
-                // off-box provider. External tile fetches can keep the browser in
-                // a long-loading state even though the dashboard itself is ready.
-                return resolvedUrl.origin === window.location.origin;
-            } catch (e) {
-                console.warn('ADS-B: unable to resolve tile URL, keeping fallback grid:', e);
-                return false;
-            }
-        }
-
         async function upgradeRadarTilesFromSettings(fallbackTiles) {
             if (typeof Settings === 'undefined') return;
 
@@ -2203,14 +2187,6 @@ sudo make install</code>
                 await Settings.init();
                 if (!radarMap) return;
 
-                const tileConfig = Settings.getTileConfig();
-                Settings.registerMap(radarMap);
-
-                if (!shouldAutoUpgradeRadarTiles(tileConfig)) {
-                    console.info('ADS-B: keeping local fallback grid for startup map');
-                    return;
-                }
-
                 const configuredLayer = Settings.createTileLayer();
                 let tileLoaded = false;
 
@@ -2228,6 +2204,7 @@ sudo make install</code>
                 });
 
                 configuredLayer.addTo(radarMap);
+                Settings.registerMap(radarMap);
             } catch (e) {
                 console.warn('ADS-B: Settings/tile upgrade failed, using fallback grid:', e);
             }