using cleanup.

PerfectNumbers.Core/Gpu/MersenneNumberDivisorByDivisorGpuTester.cs

@@ -1,12 +1,9 @@
-using System;
 using System.Buffers;
 using System.Collections.Concurrent;
-using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using ILGPU;
 using ILGPU.Runtime;
-using PerfectNumbers.Core;
 
 namespace PerfectNumbers.Core.Gpu;
 

PerfectNumbers.Core/Gpu/MersenneNumberDivisorGpuTester.cs

@@ -1,6 +1,4 @@
-using System;
 using System.Collections.Concurrent;
-using System.Numerics;
 using ILGPU;
 using ILGPU.Algorithms;
 using ILGPU.Runtime;

PerfectNumbers.Core/PrimesGenerator.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 
 namespace PerfectNumbers.Core;