finally Netflix lets users edit "continue watching" list
How to hide your viewing activity on Netflix:
Visit your Account page from a web browser
Open ‘Profile & Parental Controls’
Select ‘Viewing Activity’
Locate the title you want to remove on the ‘Activity’ page
Click the circle icon with the diagonal line through it
Choose to either hide an episode or hide the entire series
If you want to clear your entire list, select the ‘Hide all’ button at the bottom of the page
