Remove redundant SequenceEqual overload

Author: YoshiRulz

src/BizHawk.Bizware.Graphics/BitmapBuffer.cs

@@ -10,8 +10,6 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-using BizHawk.Common.CollectionExtensions;
-
 using SDGraphics = System.Drawing.Graphics;
 
 namespace BizHawk.Bizware.Graphics

src/BizHawk.Client.Common/movie/import/GmvImport.cs

@@ -1,7 +1,6 @@
 using System.IO;
 using System.Text;
 
-using BizHawk.Common.CollectionExtensions;
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores;
 using BizHawk.Emulation.Cores.Consoles.Sega.gpgx;

src/BizHawk.Common/Extensions/CollectionExtensions.cs

@@ -650,8 +650,5 @@ public static bool IsSortedDesc<T>(this ReadOnlySpan<T> span)
 			for (int i = 0, e = span.Length - 1; i < e; i++) if (span[i + 1].CompareTo(span[i]) > 0) return false;
 			return true;
 		}
-
-		[MethodImpl(MethodImplOptions.AggressiveInlining)]
-		public static bool SequenceEqual<T>(this T[] a, ReadOnlySpan<T> b) where T : IEquatable<T> => a.AsSpan().SequenceEqual(b);
 	}
 }

src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/FDS/FDS.cs

@@ -2,7 +2,6 @@
 using System.IO;
 
 using BizHawk.Common;
-using BizHawk.Common.CollectionExtensions;
 using BizHawk.Emulation.Common;
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES

src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs

@@ -4,7 +4,6 @@
 
 using BizHawk.Common;
 using BizHawk.Common.BufferExtensions;
-using BizHawk.Common.CollectionExtensions;
 using BizHawk.Common.IOExtensions;
 
 

src/BizHawk.Emulation.DiscSystem/DiscIdentifier.cs

@@ -3,7 +3,6 @@
 using System.Text;
 
 using BizHawk.Common;
-using BizHawk.Common.CollectionExtensions;
 using BizHawk.Common.StringExtensions;
 using ISOParser;