Remove test only code

Author: CyrusNajmabadi

src/EditorFeatures/Core/RenameTracking/RenameTrackingTaggerProvider.cs

@@ -145,24 +145,4 @@ internal static bool IsRenamableIdentifierFastCheck(
         identifierKind = default;
         return false;
     }
-
-    internal static async Task<bool> IsRenamableIdentifier_ForTestingPurposesOnlyAsync(Task<TriggerIdentifierKind> isRenamableIdentifierTask)
-    {
-        await isRenamableIdentifierTask.ConfigureAwait(false);
-        return IsRenamableIdentifierFastCheck(isRenamableIdentifierTask, out _);
-    }
-
-    //internal static bool WaitForIsRenamableIdentifier_ForTestingPurposesOnly(Task<TriggerIdentifierKind> isRenamableIdentifierTask, CancellationToken cancellationToken)
-    //{
-    //    try
-    //    {
-    //        return isRenamableIdentifierTask.WaitAndGetResult_CanCallOnBackground(cancellationToken) != TriggerIdentifierKind.NotRenamable;
-    //    }
-    //    catch (OperationCanceledException e) when (e.CancellationToken != cancellationToken || cancellationToken == CancellationToken.None)
-    //    {
-    //        // We passed in a different cancellationToken, so if there's a race and 
-    //        // isRenamableIdentifierTask was cancelled, we'll get a OperationCanceledException
-    //        return false;
-    //    }
-    //}
 }

src/EditorFeatures/Test/RenameTracking/RenameTrackingTaggerProviderTests.cs

@@ -885,21 +885,10 @@ public async Task RenameTrackingDoesNotThrowAggregateException()
         source = new TaskCompletionSource<RenameTrackingTaggerProvider.TriggerIdentifierKind>();
         source.TrySetCanceled();
         Assert.False(RenameTrackingTaggerProvider.IsRenamableIdentifierFastCheck(source.Task, out _));
-        Assert.False(await RenameTrackingTaggerProvider.IsRenamableIdentifier_ForTestingPurposesOnlyAsync(source.Task));
 
         source = new TaskCompletionSource<RenameTrackingTaggerProvider.TriggerIdentifierKind>();
         source.TrySetException(new OperationCanceledException());
         Assert.False(RenameTrackingTaggerProvider.IsRenamableIdentifierFastCheck(source.Task, out _));
-        Assert.False(await RenameTrackingTaggerProvider.IsRenamableIdentifier_ForTestingPurposesOnlyAsync(source.Task));
-        Assert.False(await RenameTrackingTaggerProvider.IsRenamableIdentifier_ForTestingPurposesOnlyAsync(source.Task));
-
-        source = new TaskCompletionSource<RenameTrackingTaggerProvider.TriggerIdentifierKind>();
-        source.TrySetCanceled();
-        await Assert.ThrowsAsync<OperationCanceledException>(() => RenameTrackingTaggerProvider.IsRenamableIdentifier_ForTestingPurposesOnlyAsync(source.Task));
-        var thrownException = new Exception();
-        source.TrySetException(thrownException);
-        var caughtException = await Assert.ThrowsAsync<Exception>(() => RenameTrackingTaggerProvider.IsRenamableIdentifier_ForTestingPurposesOnlyAsync(source.Task));
-        Assert.Same(thrownException, caughtException);
     }
 
     [WpfFact]