Commented obsolete attribute for quality

src/ImageSharp/Formats/Jpeg/JpegMetadata.cs

@@ -80,10 +80,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
         /// <summary>
         /// Gets or sets the encoded quality.
         /// </summary>
-        [Obsolete("Use LumanQuality and ChromaQuality instead. Quality is now separated for luminance and chrominance data.")]
+        // [Obsolete("Use LumanQuality and ChromaQuality instead. Quality is now separated for luminance and chrominance data.")]
         public int Quality
         {
-            get => (int)Math.Round(this.LuminanceQuality + this.ChrominanceQuality);
+            get => (int)Math.Round((this.LuminanceQuality + this.ChrominanceQuality) / 2);
             set
             {
                 this.LuminanceQuality = value;