chore: Stride.Assets.csproj - remove obsolete dependency comment

- Removed outdated comment about MSBuild dependency override
- No changes to actual package references

Author: VaclavElias

sources/engine/Stride.Assets/Stride.Assets.csproj

@@ -15,8 +15,6 @@
     <PackageReference Include="Microsoft.Build.Framework" ExcludeAssets="runtime" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" ExcludeAssets="runtime" PrivateAssets="all" />
-    <!-- Override the 17.7.2 transitive from Microsoft.CodeAnalysis.Workspaces.MSBuild 4.12.
-         No PrivateAssets — version constraint must propagate to consumers' nuspec. -->
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
     <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" />
     <PackageReference Include="SixLabors.ImageSharp" />