How to remove Notification in Chrome browser

When you have accepted  the notification of a website, then you will always receive the notification from that website.
If you don't want to receive the notification anymore, you can choose remove or block that notification.

In Google Chrome browser to set notification you can do by clicking the setting icon in the appeared notification, or you can do by typing or copy paste this code to the address bar :
chrome://settings/contentExceptions#notifications
You will see the Notifications exceptions page. 

Select the website then you can choose remove(x), block or allow.