Removing runtime identifiers from class library and removing appending it to the output path (#6128)

Author: guimafelipe

dev/VSIX/ProjectTemplates/Desktop/CSharp/ClassLibrary/ProjectTemplate.csproj

@@ -3,9 +3,8 @@
     <TargetFramework>$DotNetVersion$-windows10.0.19041.0</TargetFramework>
     <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
     <RootNamespace>$safeprojectname$</RootNamespace>
-    <RuntimeIdentifiers>win-x86;win-x64;win-arm64</RuntimeIdentifiers>
     <UseWinUI>true</UseWinUI>
     <WinUISDKReferences>false</WinUISDKReferences>
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
   </PropertyGroup>
-  
 </Project>