revert.

Author: codemzs

docs/samples/Microsoft.ML.Samples/Program.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Reflection;
-using Samples.Dynamic.Trainers.Ranking;
 
 namespace Microsoft.ML.Samples
 {
@@ -10,7 +9,7 @@ public static class Program
 
         internal static void RunAll()
         {
-            /*int samples = 0;
+            int samples = 0;
             foreach (var type in Assembly.GetExecutingAssembly().GetTypes())
             {
                 var sample = type.GetMethod("Example", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);
@@ -22,8 +21,7 @@ internal static void RunAll()
                 }
             }
 
-            Console.WriteLine("Number of samples that ran without any exception: " + samples);*/
-            LightGbm.Example();
+            Console.WriteLine("Number of samples that ran without any exception: " + samples);
         }
     }
 }