remove explicit handling of levels

Author: KodrAus

src/SeqCli/Ingestion/JsonLogEventReader.cs

@@ -68,15 +68,6 @@ public static LogEvent ReadFromJObject(JObject jObject)
         if (!jObject.TryGetValue("@t", out _))
             jObject.Add("@t", new JValue(DateTime.UtcNow.ToString("O")));
 
-        if (jObject.TryGetValue("@l", out var levelToken))
-        {
-            jObject.Remove("@l");
-
-            var serilogLevel = LevelMapping.ToSerilogLevel(levelToken.Value<string>()!);
-            if (serilogLevel != LogEventLevel.Information)
-                jObject.Add("@l", new JValue(serilogLevel.ToString()));
-        }
-
         return LogEventReader.ReadFromJObject(jObject);
     }
 }

test/SeqCli.EndToEnd/Ingest/StrictClefIngestionTestCase.cs

@@ -8,7 +8,7 @@
 
 namespace SeqCli.EndToEnd.Ingest;
 
-public class StrictClefIngestionTestCase : ICliTestCase
+public class  StrictClefIngestionTestCase : ICliTestCase
 {
     public async Task ExecuteAsync(
         SeqConnection connection,