chore: remove obsolete property

Author: matanasov

sample-applications/blazor-dashboard/BlazorDashboard/Pages/Profile.razor

@@ -141,7 +141,7 @@
 		</WindowContent>
 	</TelerikWindow>
 
-	<TelerikWindow Width="450" Modal="true" Centered="true" @bind-Visible="@visibleDeleteWindow">
+	<TelerikWindow Width="450" Modal="true" @bind-Visible="@visibleDeleteWindow">
 		<WindowActions>
 			<WindowAction Name="Close"></WindowAction>
 		</WindowActions>