Fix nowarn actually

Author: dibarbet

Directory.Build.props

@@ -32,7 +32,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
 
     <!-- Working around https://github.com/dotnet/sdk/issues/24747 -->
-    <NoWarn>$(NoWarn);NU1505</NoWarn>
+    <NoWarn>$(NoWarn);NU1505;NETSDK1138</NoWarn>
 
     <!-- Working around https://github.com/microsoft/msbuild/pull/4764 -->
     <EmbeddedResourceUseDependentUponConvention>false</EmbeddedResourceUseDependentUponConvention>

eng/Build.props

@@ -1,9 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <!-- This is a servicing branch, do not warn about outdated SDKs. -->
-    <NoWarn>$(NoWarn);NETSDK1138</NoWarn>
-  </PropertyGroup>
   <ItemGroup>
     <!-- Note: It is important BuildAnalyzers.sln builds first and does not allow building in parallel.
          Because projects in Razor.sln (or Razor.Slim.slnf) have a project reference to Razor.Diagnostics.Analyzers