Code Quality: Removed unused IsDefaultLibrary method

Author: yaira2

src/Files.App/Utils/Library/LibraryManager.cs

@@ -2,10 +2,7 @@
 // Licensed under the MIT License. See the LICENSE.
 
 using Files.App.Dialogs;
-using Files.App.Utils.Shell;
 using Files.App.ViewModels.Dialogs;
-using Files.Shared;
-using Files.Shared.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.UI.Xaml.Controls;
 using System.Collections.Specialized;
@@ -65,24 +62,6 @@ private void InitializeWatcher()
 			librariesWatcher.EnableRaisingEvents = true;
 		}
 
-		public static bool IsDefaultLibrary(string libraryFilePath)
-		{
-			// TODO: try to find a better way for this
-			switch (Path.GetFileNameWithoutExtension(libraryFilePath))
-			{
-				case "CameraRoll":
-				case "Documents":
-				case "Music":
-				case "Pictures":
-				case "SavedPictures":
-				case "Videos":
-					return true;
-
-				default:
-					return false;
-			}
-		}
-
 		/// <summary>
 		/// Get libraries of the current user with the help of the FullTrust process.
 		/// </summary>