Remove SortUtility

Author: JimBobSquarePants

src/ImageSharp.Drawing/Shapes/Rasterization/ActiveEdgeList.cs

@@ -2,7 +2,6 @@
 // Licensed under the Six Labors Split License.
 
 using System.Runtime.CompilerServices;
-using SixLabors.ImageSharp.Drawing.Utilities;
 
 namespace SixLabors.ImageSharp.Drawing.Shapes.Rasterization;
 
@@ -36,7 +35,7 @@ public ActiveEdgeList(Span<int> buffer)
         this.Buffer = buffer;
     }
 
-    private Span<int> ActiveEdges => this.Buffer.Slice(0, this.count);
+    private readonly Span<int> ActiveEdges => this.Buffer.Slice(0, this.count);
 
     public void EnterEdge(int edgeIdx) => this.Buffer[this.count++] = edgeIdx | EnteringEdgeFlag;
 
@@ -120,7 +119,8 @@ public Span<float> ScanOddEven(float y, Span<ScanEdge> edges, Span<float> inters
         this.count -= offset;
 
         intersections = intersections.Slice(0, intersectionCounter);
-        SortUtility.Sort(intersections);
+        intersections.Sort();
+
         return intersections;
     }
 
@@ -180,7 +180,7 @@ public Span<float> ScanNonZero(
 
         intersections = intersections.Slice(0, intersectionCounter);
         intersectionTypes = intersectionTypes.Slice(0, intersectionCounter);
-        SortUtility.Sort(intersections, intersectionTypes);
+        intersections.Sort(intersectionTypes);
 
         return ApplyNonzeroRule(intersections, intersectionTypes);
     }

src/ImageSharp.Drawing/Shapes/Rasterization/PolygonScanner.cs

@@ -3,7 +3,6 @@
 
 using System.Buffers;
 using System.Runtime.InteropServices;
-using SixLabors.ImageSharp.Drawing.Utilities;
 using SixLabors.ImageSharp.Memory;
 
 namespace SixLabors.ImageSharp.Drawing.Shapes.Rasterization;
@@ -120,8 +119,8 @@ private void Init()
             this.sorted1[i] = i;
         }
 
-        SortUtility.Sort(keys0, this.sorted0);
-        SortUtility.Sort(keys1, this.sorted1);
+        keys0.Sort(this.sorted0);
+        keys1.Sort(this.sorted1);
 
         this.SkipEdgesBeforeMinY();
     }
@@ -195,7 +194,7 @@ public ReadOnlySpan<float> ScanCurrentLine()
         ? this.activeEdges.ScanOddEven(this.SubPixelY, this.edges, this.intersections)
         : this.activeEdges.ScanNonZero(this.SubPixelY, this.edges, this.intersections, this.intersectionTypes);
 
-    public void Dispose()
+    public readonly void Dispose()
     {
         this.edgeCollection.Dispose();
         this.dataBuffer.Dispose();