fix:Reverse package change for RevitLookup.csproj

Author: JieGou

source/RevitLookup/RevitLookup.csproj

@@ -55,7 +55,7 @@
 
         <!-- Build -->
         <PackageReference Include="ILRepack" ExcludeAssets="Runtime"/>
-        <!-- <PackageReference Include="System.Diagnostics.DiagnosticSource" ExcludeAssets="Runtime"/> -->
+        <PackageReference Include="System.Diagnostics.DiagnosticSource" ExcludeAssets="Runtime"/>
     </ItemGroup>
 
     <ItemGroup>