Removed unused variable from code snippets (#4947)

Author: peorth80

samples/snippets/csharp/VS_Snippets_CLR_System/system.tuple`2.equals/cs/equals1.cs

@@ -16,7 +16,6 @@ public static void Main()
       // Compare the Tuple objects
       for (int ctr = 0; ctr < scores.Length; ctr++)
       {
-         Tuple<string, Nullable<int>> currentTuple = scores[ctr];
          for (int innerCtr = ctr + 1; innerCtr < scores.Length; innerCtr++)
          {
             Console.WriteLine("{0} = {1}: {2}", 
@@ -47,4 +46,4 @@ public static void Main()
 //       (Ernie, ) = (Dan, 90): False
 //       
 //       (Nancy, 88) = (Dan, 90): False
-// </Snippet1>
+// </Snippet1>

samples/snippets/visualbasic/VS_Snippets_CLR_System/system.tuple`2.equals/vb/equals1.vb

@@ -14,7 +14,6 @@ Module Example
 
       ' Compare the Tuple objects
       For ctr As Integer = 0 To scores.Length - 1
-         Dim currentTuple As Tuple(Of String, Nullable(Of Integer)) = scores(ctr)
          For innerCtr As Integer = ctr + 1 To scores.Length - 1
             Console.WriteLine("{0} = {1}: {2}", 
                               scores(ctr), scores(innerCtr),