Remove ChunkTypes and Animated flag from metadata

src/ImageSharp/Formats/WebP/WebpDecoderCore.cs

@@ -75,7 +75,7 @@ namespace SixLabors.ImageSharp.Formats.Webp
         /// <summary>
         /// Gets the dimensions of the image.
         /// </summary>
-        public Size Dimensions => new Size((int)this.webImageInfo.Width, (int)this.webImageInfo.Height);
+        public Size Dimensions => new((int)this.webImageInfo.Width, (int)this.webImageInfo.Height);
 
         /// <inheritdoc />
         public Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken cancellationToken)
@@ -441,7 +441,7 @@ namespace SixLabors.ImageSharp.Formats.Webp
                     break;
 
                 case WebpChunkType.Animation:
-                    this.webpMetadata.Animated = true;
+                    // TODO: Decoding animation is not implemented yet.
                     break;
 
                 case WebpChunkType.Alpha:
@@ -499,7 +499,6 @@ namespace SixLabors.ImageSharp.Formats.Webp
             if (this.currentStream.Read(this.buffer, 0, 4) == 4)
             {
                 var chunkType = (WebpChunkType)BinaryPrimitives.ReadUInt32BigEndian(this.buffer);
-                this.webpMetadata.ChunkTypes.Enqueue(chunkType);
                 return chunkType;
             }
 

src/ImageSharp/Formats/WebP/WebpMetadata.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
-using System.Collections.Generic;
-
 namespace SixLabors.ImageSharp.Formats.Webp
 {
     /// <summary>
@@ -21,27 +19,13 @@ namespace SixLabors.ImageSharp.Formats.Webp
         /// Initializes a new instance of the <see cref="WebpMetadata"/> class.
         /// </summary>
         /// <param name="other">The metadata to create an instance from.</param>
-        private WebpMetadata(WebpMetadata other)
-        {
-            this.Animated = other.Animated;
-            this.Format = other.Format;
-        }
+        private WebpMetadata(WebpMetadata other) => this.Format = other.Format;
 
         /// <summary>
         /// Gets or sets the webp format used. Either lossless or lossy.
         /// </summary>
         public WebpFormatType Format { get; set; }
 
-        /// <summary>
-        /// Gets all found chunk types ordered by appearance.
-        /// </summary>
-        public Queue<WebpChunkType> ChunkTypes { get; } = new Queue<WebpChunkType>();
-
-        /// <summary>
-        /// Gets or sets a value indicating whether the webp file contains an animation.
-        /// </summary>
-        public bool Animated { get; set; }
-
         /// <inheritdoc/>
         public IDeepCloneable DeepClone() => new WebpMetadata(this);
     }