Move IDS_FeatureRefStructInterfaces to C# 13 (#74551)

The change is made based on decision at https://github.com/dotnet/csharplang/blob/main/meetings/2024/LDM-2024-07-22.md#ref-structs-implementing-interfaces Closes #73923.
dotnet · Jul 25, 2024 · d277024 · d277024
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commit d277024
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diff --git a/src/Compilers/CSharp/Portable/Errors/MessageID.cs b/src/Compilers/CSharp/Portable/Errors/MessageID.cs
@@ -472,7 +472,6 @@ internal static LanguageVersion RequiredVersion(this MessageID feature)
                 // PREFER reporting diagnostics in binding when diagnostics do not affect the shape of the syntax tree
 
                 // C# preview features.
-                case MessageID.IDS_FeatureRefStructInterfaces:
                 case MessageID.IDS_FeatureFieldKeyword:
                     return LanguageVersion.Preview;
 
@@ -482,6 +481,7 @@ internal static LanguageVersion RequiredVersion(this MessageID feature)
                 case MessageID.IDS_FeatureLockObject:
                 case MessageID.IDS_FeatureParamsCollections:
                 case MessageID.IDS_FeatureRefUnsafeInIteratorAsync:
+                case MessageID.IDS_FeatureRefStructInterfaces:
                 case MessageID.IDS_FeatureAllowsRefStructConstraint:
                 case MessageID.IDS_FeaturePartialProperties:
                 case MessageID.IDS_OverloadResolutionPriority: