Some cleanup

Author: BZngr

Rubberduck.Refactorings/Common/VBAIdentifierValidator.cs

@@ -5,8 +5,6 @@
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Rubberduck.Refactorings.Common
 {

RubberduckTests/VBAIdentifierValidatorTests.cs

@@ -1,11 +1,6 @@
 using NUnit.Framework;
 using Rubberduck.Parsing.Symbols;
 using Rubberduck.Refactorings.Common;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace RubberduckTests
 {