chore: remove nunit analyzers (#397)

Author: Meir017

src/Directory.Packages.props

@@ -6,11 +6,12 @@
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
         <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.11.0" />
         <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
+        <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
+        <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
 
         <PackageVersion Include="FluentAssertions" Version="6.12.1" />
 
         <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
-        <PackageVersion Include="NUnit.Analyzers" Version="4.3.0" />
         <PackageVersion Include="NUnit" Version="4.2.2" />
 
         <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />

src/FluentAssertions.Analyzers.FluentAssertionAnalyzerDocs.Nunit3/FluentAssertions.Analyzers.FluentAssertionAnalyzerDocs.Nunit3.csproj

@@ -12,7 +12,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <PackageReference Include="NUnit" VersionOverride="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" />
-    <PackageReference Include="NUnit.Analyzers" />
     <PackageReference Include="FluentAssertions" />
     <PackageReference Include="coverlet.collector" />
   </ItemGroup>

src/FluentAssertions.Analyzers.FluentAssertionAnalyzerDocs.Nunit4/FluentAssertions.Analyzers.FluentAssertionAnalyzerDocs.Nunit4.csproj

@@ -12,7 +12,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <PackageReference Include="NUnit" />
     <PackageReference Include="NUnit3TestAdapter" />
-    <PackageReference Include="NUnit.Analyzers" />
     <PackageReference Include="FluentAssertions" />
     <PackageReference Include="coverlet.collector" />
   </ItemGroup>