Remove debug prints and fix build warnings

- Remove all print statements from planning engine, data providers, and PDF generation
- Fix deprecated CLGeocoder usage with MKLocalSearch for iOS 26
- Fix Swift 6 actor isolation by converting PDFGenerator/ExportService to @MainActor
- Add @retroactive to CLLocationCoordinate2D protocol conformances
- Fix unused variable warnings in GameDAGRouter and scenario planners
- Remove unreachable catch blocks in SettingsViewModel

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Export/Services/RemoteImageService.swift

@@ -95,7 +95,6 @@ actor RemoteImageService {
                         let image = try await self.fetchImage(from: url)
                         return (url, image)
                     } catch {
-                        print("[RemoteImageService] Failed to fetch \(url): \(error.localizedDescription)")
                         return (url, nil)
                     }
                 }