Avoid redundant compaction buffer clearing on GPU

PerfectNumbers.Core/Gpu/MersenneNumberDivisorByDivisorGpuTester.cs

@@ -600,7 +600,6 @@ public sealed class MersenneNumberDivisorByDivisorGpuTester : IMersenneNumberDiv
         //     return 0;
         // }
 
-        countView.MemSetToZero();
         SharedMemoryConfig sharedMemoryConfig = SharedMemoryConfig.RequestDynamic<int>(count * 3);
         Index1D gridDim = new Index1D(1);
         Index1D groupDim = new Index1D(count);