Clean up excessive console logging and remove duplicate app files

- Remove verbose console.log statements from WebSocket, map, and aircraft managers
- Keep essential error messages and warnings for debugging
- Consolidate app-new.js into app.js to eliminate confusing duplicate files
- Update HTML reference to use clean app.js with incremented cache version
- Significantly reduce console noise for better user experience

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

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

assets/static/js/modules/map-manager.js

@@ -32,7 +32,6 @@ export class MapManager {
         // Store origin for reset functionality
         this.mapOrigin = origin;
         
-        console.log(`🗺️ Map origin: [${origin.latitude}, ${origin.longitude}]`);
         this.map = L.map('map').setView([origin.latitude, origin.longitude], 10);
         
         // Dark tile layer
@@ -42,7 +41,6 @@ export class MapManager {
             maxZoom: 19
         }).addTo(this.map);
         
-        console.log('Main map initialized');
         return this.map;
     }
 
@@ -307,7 +305,6 @@ export class MapManager {
     createHeatmapOverlay(data) {
         // Simplified heatmap implementation
         // In production, would use proper heatmap library like Leaflet.heat
-        console.log('Creating heatmap overlay with data:', data);
     }
 
     setSelectedSource(sourceId) {