fix symbol publishing? (#78671)

Author: akhera99

eng/Publishing.props

@@ -8,9 +8,6 @@
        Depending on channel configuration, this means that these assets could be pushed to a different feed. -->
   <ItemGroup>
     <Artifact Update="@(Artifact->WithMetadataValue('Kind', 'Package'))" Category="ToolingPackage" />
-
-    <FilesToPublishToSymbolServer Include="$(ArtifactsBinDir)**/Microsoft.Build.Tasks.CodeAnalysis.pdb" />
-    <FilesToPublishToSymbolServer Include="$(ArtifactsBinDir)**/Microsoft.Build.Tasks.CodeAnalysis.Sdk.pdb" />
   </ItemGroup>
 
   <!--

src/Compilers/Core/MSBuildTask/MSBuild/Microsoft.Build.Tasks.CodeAnalysis.csproj

@@ -5,6 +5,10 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.BuildTasks</RootNamespace>
     <TargetFrameworks>$(NetRoslynSourceBuild);net472</TargetFrameworks>
+
+    <!-- NuGet -->
+    <IsPackable>true</IsPackable>
+    <PackageId>Microsoft.CodeAnalysis.Build.Tasks</PackageId>
   </PropertyGroup>
 
   <ItemGroup>