Fix bad warning fix

src/SixLabors.Fonts/FontCollection.cs

@@ -137,7 +137,7 @@ public sealed class FontCollection : IFontCollection, IFontMetricsCollection
     /// <inheritdoc/>
     FontFamily IFontMetricsCollection.AddMetrics(FontMetrics metrics, CultureInfo culture)
     {
-        ((IFontMetricsCollection)this).AddMetrics(metrics, culture);
+        ((IFontMetricsCollection)this).AddMetrics(metrics);
         return new FontFamily(metrics.Description.FontFamily(culture), this, culture);
     }
 

tests/SixLabors.Fonts.Benchmarks/SixLabors.Fonts.Benchmarks/MeasureTextBenchmark.cs

@@ -15,7 +15,7 @@ namespace SixLabors.Fonts.Benchmarks;
 /// <para>We should see if we can include the Skia HarfBuzz extensions to see how we compare.</para>
 /// </summary>
 [MediumRunJob]
-public sealed class MeasureTextBenchmark : IDisposable
+public class MeasureTextBenchmark : IDisposable
 {
     private readonly TextOptions textOptions;
     private readonly SKTypeface arialTypeface;