Removed redundant statements

CodeGenerator/AttributeBuilder.cs

@@ -2,7 +2,6 @@ using System;
 using System.CodeDom;
 using System.Collections.Generic;
 using System.Linq;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
 
 namespace CodeGenerator {
     // ReSharper disable always BitwiseOperatorOnEnumWithoutFlags
@@ -93,7 +92,7 @@ namespace CodeGenerator {
         /// </summary>
         /// <param name="usageArgs">List of arguments for <see cref="AttributeUsageAttribute"/></param>
         public AttributeBuilder SetAttributeUsage(CodeAttributeArgument usageArgs) {
-            var attrUsage = new CodeAttributeDeclaration() {
+            var attrUsage = new CodeAttributeDeclaration {
                 Name = nameof(AttributeUsageAttribute),
                 Arguments = { usageArgs }
             };