* Fix comment

Author: lukebakken

projects/RabbitMQ.Client/RabbitMQ.Client.csproj

@@ -32,7 +32,6 @@
     <!--
       https://learn.microsoft.com/en-us/answers/questions/1371494/for-net-standard-2-0-library-why-add-net-core-3-1
       https://devblogs.microsoft.com/dotnet/embracing-nullable-reference-types/#what-should-library-authors-do
-      Note: only setting language version 8.0 for nullable reference types!
     -->
     <LangVersion>9.0</LangVersion>
     <Nullable>enable</Nullable>