Step 1: Login to the site.
Step 2: Click the profile icon, please refer the image below.
Step 3: Now click the Settings link to cancel the account, please refer image below.
Step 4: Click the Cancel account button on the settings page to start the cancellation process. A confirmation page will appear explaining what will happen when you cancel your account.
Step 5: Once you click on confirm button you will receive a confirmation mail to deactivate your account.