Remove legacy startup configuration files and web assets

- Deleted startup.json, startup.json.linux, and startup.json.windows files to streamline configuration management.
- Removed web.config file as part of the cleanup process.
- Deleted jellyfin.svg and its compressed versions from the API documentation.
- Removed custom CSS files for ReDoc and Swagger documentation, including their compressed versions.

Jellyfin.Server/Helpers/StartupHelpers.cs

@@ -21,6 +21,7 @@ using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using Serilog;
+using Serilog.Events;
 using Serilog.Extensions.Logging;
 using ILogger = Microsoft.Extensions.Logging.ILogger;
 
@@ -480,6 +481,10 @@ public static class StartupHelpers
         catch (Exception ex)
         {
             Log.Logger = new LoggerConfiguration()
+                .MinimumLevel.Information()
+                .MinimumLevel.Override("Microsoft", LogEventLevel.Warning)
+                .MinimumLevel.Override("System", LogEventLevel.Warning)
+                .MinimumLevel.Override("Microsoft.EntityFrameworkCore.Database.Command", LogEventLevel.Error)
                 .WriteTo.Console(
                     outputTemplate: "[{Timestamp:HH:mm:ss}] [{Level:u3}] [{ThreadId}] {SourceContext}: {Message:lj}{NewLine}{Exception}",
                     formatProvider: CultureInfo.InvariantCulture)

Jellyfin.Server/Resources/Configuration/logging.json

@@ -5,7 +5,7 @@
             "Override": {
                 "Microsoft": "Warning",
                 "System": "Warning",
-                "Microsoft.EntityFrameworkCore.Database.Command": "Warning"
+                "Microsoft.EntityFrameworkCore.Database.Command": "Error"
             }
         },
         "WriteTo": [