Apply suggestions from code review

Author: Arlodotexe

MultiTarget/PackageReferences/Uwp/Microsoft.UI.Xaml.props

@@ -1,7 +1,6 @@
 <Project>
 	<!-- Condition must be on a <When> statement in its own file for this to work in Visual Studio. https://stackoverflow.com/a/16557059 -->
 	<Choose>
-    <!-- Temp workaround until next Windows SDK servicing update -->
 		<When Condition="'$(HasWinUI)' == 'true'" >
 			<ItemGroup>
 				<PackageReference Include="Microsoft.UI.Xaml" Version="2.8.7-prerelease.241119001" />

MultiTarget/PackageReferences/Uwp/Microsoft.Windows.CsWinRT.props

@@ -1,7 +1,6 @@
 <Project>
 	<!-- Condition must be on a <When> statement in its own file for this to work in Visual Studio. https://stackoverflow.com/a/16557059 -->
 	<Choose>
-    <!-- Temp workaround until next Windows SDK servicing update -->
 		<When Condition="'$(MultiTargetPlatformIdentifier)' == 'windows'" >
 			<ItemGroup>
 				<PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.1.6" PrivateAssets="all" />