Correct redundancy in Object.xml (#3884)

Author: Kyle Delaney

xml/System/Object.xml

@@ -651,7 +651,7 @@ and the <xref:System.IDisposable> interface. The <xref:System.IDisposable.Dispos
  [!code-csharp[System.Object.GetHashCode#3](~/samples/snippets/csharp/VS_Snippets_CLR_System/system.object.gethashcode/cs/xor2.cs#3)]
  [!code-vb[System.Object.GetHashCode#3](~/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.object.gethashcode/vb/xor2.vb#3)]  
   
- A second alternative solution involves weighting the individual hash codes by left-shifting the hash codes of successive fields by two or more bits. Optimally, instead of being discarded, bits shifted beyond bit 31 should wrap around rather than be discarded. Since bits are discarded by the left-shift operators in both C# and Visual Basic, this requires creating a left shift-and-wrap method like the following:  
+ A second alternative solution involves weighting the individual hash codes by left-shifting the hash codes of successive fields by two or more bits. Optimally, bits shifted beyond bit 31 should wrap around rather than be discarded. Since bits are discarded by the left-shift operators in both C# and Visual Basic, this requires creating a left shift-and-wrap method like the following:  
   
  [!code-csharp[System.Object.GetHashCode#4](~/samples/snippets/csharp/VS_Snippets_CLR_System/system.object.gethashcode/cs/shift1.cs#4)]
  [!code-vb[System.Object.GetHashCode#4](~/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.object.gethashcode/vb/shift1.vb#4)]