Revert "LostWindow"

This reverts commit 1f4f3ab1e9989241bcb97acfad4814a032d0afbe.

Conflicts:
	TeamProjectTetris/TeamProjectTetris.v11.suo
	TeamProjectTetris/TeamProjectTetris/LostWindow.xaml.cs
	TeamProjectTetris/TeamProjectTetris/TeamProjectTetris.csproj
	TeamProjectTetris/TeamProjectTetris/obj/Debug/App.g.i.cs

	TeamProjectTetris/TeamProjectTetris/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
	TeamProjectTetris/TeamProjectTetris/obj/Debug/MainWindow.g.i.cs

	TeamProjectTetris/TeamProjectTetris/obj/Debug/TeamProjectTetris_MarkupCompile.i.cache