Refactor SQLite Database Provider

- Removed unused classes and files related to SQLite database provider, including SqliteDesignTimeJellyfinDbFactory, ModelBuilderExtensions, PragmaConnectionInterceptor, AssemblyInfo, SqliteDatabaseProvider, DateTimeKindValueConverter.
- Updated tests to remove dependencies on removed classes and adjusted mocking for configuration sections.
- Added Microsoft.EntityFrameworkCore.Sqlite package reference to test project.
- Improved string handling in tests for better consistency and clarity.
- Refactored logging methods in JellyfinApplicationFactory for better readability and maintainability.

Jellyfin.Server/Program.cs

@@ -139,7 +139,7 @@ namespace Jellyfin.Server
                 }
             }
 
-            StorageHelper.TestCommonPathsForStorageCapacity(appPaths, StartupLogger.Logger.With(_loggerFactory.CreateLogger<Startup>()).BeginGroup($"Storage Check"));
+            StorageHelper.TestCommonPathsForStorageCapacity(appPaths, StartupLogger.Logger.Attach(_loggerFactory.CreateLogger<Startup>()).BeginGroup($"Storage Check"));
 
             StartupHelpers.PerformStaticInitialization();