remove redundant RollForward properties

Author: adamralph

SimpleExecTests/SimpleExecTests.csproj

@@ -4,7 +4,6 @@
     <LangVersion>default</LangVersion>
     <!-- https://github.com/dotnet/roslyn-analyzers/issues/7192 -->
     <NoWarn>$(NoWarn);CA1515</NoWarn>
-    <RollForward>major</RollForward>
     <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
   </PropertyGroup>