As far as we can tell, you can delete the rempl folder if you like. Keep in mind that it only uses 21MB, so if you know a feature update is a month or two away, you might wait until after that update is applied.
2] How to delete the REMPL folder Under ‘Microsoft’, expand the ‘Windows’ folder to locate the ‘REMPL’ folder. Once there, search for the ‘shell’ task in the right-pane. Select it and press ‘Delete’ to delete it from the list. When prompted, click on the ‘Yes’ button to confirm the action.