Remove leftover FluentAssertions references

See #2459 (comment).

Author: martincostello

Directory.Packages.props

@@ -11,7 +11,6 @@
   <ItemGroup>
     <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
     <PackageVersion Include="BenchmarkDotNet" Version="0.14.0" />
-    <PackageVersion Include="FluentAssertions" Version="6.12.2" />
     <PackageVersion Include="FSharp.Core" Version="8.0.200" />
     <PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageVersion Include="IcedTasks" Version="0.11.4" />

docs/community/libraries-and-contributions.md

@@ -1,6 +1,5 @@
 # 3rd Party Libraries and Contributions
 
-- [Fluent Assertions](https://github.com/fluentassertions/fluentassertions) - A set of .NET extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style test | [Apache License 2.0 (Apache)](https://github.com/dennisdoomen/fluentassertions/blob/develop/LICENSE)
 - [xUnit.net](https://github.com/xunit/xunit) - Free, open source, community-focused unit testing tool for the .NET Framework | [Apache License 2.0 (Apache)](https://github.com/xunit/xunit/blob/main/license.txt)
 - [Ian Griffith's `TimedLock`](http://www.interact-sw.co.uk/iangblog/2004/04/26/yetmoretimedlocking)
 - [Steven van Deursen's `ReadOnlyDictionary`](https://blogs.cuttingedge.it/steven/posts/2007/readonlydictionary/) (until Polly v5.0.6)