remove_dead_files_in_vs_project.cs

void Main()
{
	var file = @"someproject.csproj";
	var dir = System.IO.Path.GetDirectoryName(file);
	
	var proj = XDocument.Load(file);
	
	var files = proj.Descendants().Where(p => p.Name.LocalName == "Content" && p.Attributes().Any(a => a.Name.LocalName == "Include"));
	
	var toRemove = new List<XElement>();
	
	foreach (var f in files)
	{
		var rel = f.Attributes().Single(p => p.Name.LocalName == "Include").Value;
		var act = Path.Combine(dir, rel);
		if (!File.Exists(act))
		{
			toRemove.Add(f);
		}
	}
	
	foreach (var t in toRemove)
	{
		t.Remove();
	}
	
	proj.Save(file);
}

// Define other methods and classes here

that feature bower users/everyone wants