Remove unneeded class

Former-commit-id: 7877a6d77281b19d44bf5a1ef316bc8a80e8dbba
Former-commit-id: 7cbb32f35eeb8661b9ca05ac259c9e745ce7c58f
Former-commit-id: 9c95e5d3179ac7963e62e95292358351809a5fef

src/ImageProcessorCore/Formats/Gif/BitEncoder.cs

@@ -1,132 +0,0 @@
-// <copyright file="BitEncoder.cs" company="James Jackson-South">
-// Copyright (c) James Jackson-South and contributors.
-// Licensed under the Apache License, Version 2.0.
-// </copyright>
-
-namespace ImageProcessorCore.Formats
-{
-    using System.Collections.Generic;
-
-    /// <summary>
-    /// Handles the encoding of bits for compression.
-    /// </summary>
-    internal class BitEncoder
-    {
-        /// <summary>
-        /// The inner list for collecting the bits.
-        /// </summary>
-        private readonly List<byte> list = new List<byte>();
-
-        /// <summary>
-        /// The current working bit.
-        /// </summary>
-        private int currentBit;
-
-        /// <summary>
-        /// The current value.
-        /// </summary>
-        private int currentValue;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="BitEncoder"/> class.
-        /// </summary>
-        /// <param name="initial">
-        /// The initial bits.
-        /// </param>
-        public BitEncoder(int initial)
-        {
-            this.IntitialBit = initial;
-        }
-
-        /// <summary>
-        /// Gets or sets the intitial bit.
-        /// </summary>
-        public int IntitialBit { get; set; }
-
-        /// <summary>
-        /// The number of bytes in the encoder.
-        /// </summary>
-        public int Length => this.list.Count;
-
-        /// <summary>
-        /// Adds the current byte to the end of the encoder.
-        /// </summary>
-        /// <param name="item">
-        /// The byte to add.
-        /// </param>
-        public void Add(int item)
-        {
-            this.currentValue |= item << this.currentBit;
-
-            this.currentBit += this.IntitialBit;
-
-            while (this.currentBit >= 8)
-            {
-                byte value = (byte)(this.currentValue & 0XFF);
-                this.currentValue = this.currentValue >> 8;
-                this.currentBit -= 8;
-                this.list.Add(value);
-            }
-        }
-
-        /// <summary>
-        /// Adds the collection of bytes to the end of the encoder.
-        /// </summary>
-        /// <param name="collection">
-        /// The collection of bytes to add.
-        /// The collection itself cannot be null but can contain elements that are null.</param>
-        public void AddRange(byte[] collection)
-        {
-            this.list.AddRange(collection);
-        }
-
-        /// <summary>
-        /// Copies a range of elements from the encoder to a compatible one-dimensional array,
-        /// starting at the specified index of the target array.
-        /// </summary>
-        /// <param name="index">
-        /// The zero-based index in the source <see cref="BitEncoder"/> at which copying begins.
-        /// </param>
-        /// <param name="array">
-        /// The one-dimensional Array that is the destination of the elements copied
-        /// from <see cref="BitEncoder"/>. The Array must have zero-based indexing
-        /// </param>
-        /// <param name="arrayIndex">The zero-based index in array at which copying begins.</param>
-        /// <param name="count">The number of bytes to copy.</param>
-        public void CopyTo(int index, byte[] array, int arrayIndex, int count)
-        {
-            this.list.CopyTo(index, array, arrayIndex, count);
-        }
-
-        /// <summary>
-        /// Removes all the bytes from the encoder.
-        /// </summary>
-        public void Clear()
-        {
-            this.list.Clear();
-        }
-
-        /// <summary>
-        /// Copies the bytes into a new array.
-        /// </summary>
-        /// <returns><see cref="T:byte[]"/></returns>
-        public byte[] ToArray()
-        {
-            return this.list.ToArray();
-        }
-
-        /// <summary>
-        /// The end.
-        /// </summary>
-        internal void End()
-        {
-            while (this.currentBit > 0)
-            {
-                byte value = (byte)(this.currentValue & 0XFF);
-                this.currentValue = this.currentValue >> 8;
-                this.currentBit -= 8;
-                this.list.Add(value);
-            }
-        }
-    }
-}