Remove unnecessary usings

src/xunit.analyzers.fixes/X2000/AssertEmptyShouldNotBeUsedForCollectionDoesNotContainCheck.cs

@@ -1,19 +1,12 @@
-using System;
-using System.Collections.Generic;
 using System.Composition;
-using System.Text;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis;
-using Xunit.Analyzers.Fixes;
 using System.Threading.Tasks;
-using Xunit.Analyzers;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.CodeActions;
 using System.Threading;
 using Microsoft.CodeAnalysis.Editing;
-using Microsoft.CodeAnalysis.Operations;
 using static Microsoft.CodeAnalysis.CSharp.SyntaxFactory;
-using Microsoft.CodeAnalysis.CSharp;
 
 namespace Xunit.Analyzers.Fixes;
 

src/xunit.analyzers.tests/Analyzers/X2000/AssertEmptyShouldNotBeUsedForCollectionDoesNotContainCheckTests.cs

@@ -1,9 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
-using Microsoft.CodeAnalysis.Testing;
 using Xunit;
 using Verify = CSharpVerifier<Xunit.Analyzers.AssertEmptyShouldNotBeUsedForCollectionDoesNotContainCheck>;
 

src/xunit.analyzers.tests/Fixes/X2000/AssertEmptyShouldNotBeUsedForCollectionDoesNotContainCheckFixerTests.cs

@@ -1,7 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 using Xunit;
 using Xunit.Analyzers.Fixes;

src/xunit.analyzers/X2000/AssertEmptyShouldNotBeUsedForCollectionDoesNotContainCheck.cs

@@ -1,12 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis;
-using Xunit.Analyzers;
 using Microsoft.CodeAnalysis.Operations;
 using Microsoft.CodeAnalysis.CSharp;
-using System.Collections.Immutable;
 
 namespace Xunit.Analyzers;