Answer the model kind from the registry

app/Tests/Models/Corpus/ModelKindCorpus.cs

@@ -209,13 +209,4 @@ public static class ModelKindCorpus
         ..STILL_CHAT_MODELS,
     ];
 
-    /// <summary>
-    /// What the markers being replaced answer for a name, where that is not what the rules answer.
-    /// </summary>
-    /// <param name="provider">Who serves the model.</param>
-    /// <param name="modelId">The model ID as that provider reports it.</param>
-    /// <returns>The old answer, or null when nobody recorded a difference for this name.</returns>
-    public static ModelKind? AnsweredTodayAs(LLMProviders provider, string modelId) => ENTRIES
-        .FirstOrDefault(example => example.Provider == provider && string.Equals(example.ModelId, modelId, StringComparison.Ordinal))
-        ?.AnsweredTodayAs;
 }

app/Tests/Models/Corpus/ModelKindExample.cs

@@ -8,6 +8,6 @@ namespace AIStudio.Tests.Models.Corpus;
 /// <param name="Provider">The provider the model is reached through.</param>
 /// <param name="ModelId">The model ID exactly as that provider reports it, before any normalization.</param>
 /// <param name="Kind">What the model is made for.</param>
-/// <param name="AnsweredTodayAs">What the markers being replaced answer, where that is something else.</param>
+/// <param name="AnsweredTodayAs">What the markers that used to answer this question said, where they said something else. History now: the code that said it is gone, so nothing checks this any more. It stays because a decision without the thing it decided against reads like an arbitrary statement.</param>
 /// <param name="Reason">Why the two differ, which is only filled in when they do.</param>
 public sealed record ModelKindExample(LLMProviders Provider, string ModelId, ModelKind Kind, ModelKind? AnsweredTodayAs = null, string Reason = "");