Remove unused using directives

Author: IvenBach

Rubberduck.CodeAnalysis/Inspections/Abstract/QuickFixBase.cs

@@ -6,7 +6,6 @@
 using Rubberduck.JunkDrawer.Extensions;
 using Rubberduck.Parsing.Inspections.Abstract;
 using Rubberduck.Parsing.Rewriter;
-using Rubberduck.Parsing.VBA.Extensions;
 using Rubberduck.Parsing.VBA.Parsing;
 
 namespace Rubberduck.Inspections.Abstract

RubberduckTests/StringExtensionsTests.cs

@@ -1,6 +1,5 @@
 using System;
 using NUnit.Framework;
-using Rubberduck.Parsing.VBA;
 using Rubberduck.Parsing.VBA.Extensions;
 using Rubberduck.VBEditor.Extensions;