[PS-2520] Restore copy confirmation toast on Android 13+ (#2388)

* Restore copy notification toast on Android 13+

* fixed space

src/iOS.Core/Services/ClipboardService.cs

@@ -38,11 +38,5 @@ namespace Bit.iOS.Core.Services
                 ExpirationDate = clearSeconds > 0 ? NSDate.FromTimeIntervalSinceNow(clearSeconds) : null
             }));
         }
-
-        public bool IsCopyNotificationHandledByPlatform()
-        {
-            // return true for any future versions of iOS that notify the user when text is copied to the clipboard
-            return false;
-        }
     }
 }