chore: revert temporary commented out code

Author: filzrev

samples/BenchmarkDotNet.Samples/IntroVisualStudioDiagnoser.cs

@@ -6,18 +6,18 @@ namespace BenchmarkDotNet.Samples
 {
     // Enables profiling with the CPU Usage tool
     // See: https://learn.microsoft.com/visualstudio/profiling/profiling-with-benchmark-dotnet
-    ////[CPUUsageDiagnoser]
-    ////public class IntroVisualStudioProfiler
-    ////{
-    ////    private readonly Random rand = new Random(42);
+    [CPUUsageDiagnoser]
+    public class IntroVisualStudioProfiler
+    {
+        private readonly Random rand = new Random(42);
 
-    ////    [Benchmark]
-    ////    public void BurnCPU()
-    ////    {
-    ////        for (int i = 0; i < 100000; ++i)
-    ////        {
-    ////            rand.Next(1, 100);
-    ////        }
-    ////    }
-    ////}
+        [Benchmark]
+        public void BurnCPU()
+        {
+            for (int i = 0; i < 100000; ++i)
+            {
+                rand.Next(1, 100);
+            }
+        }
+    }
 }