If you are not a registered user (an administrator created your account) then ask one of the club administrators to remove your details.
If you were registered with Play-Cricket.com then follow the instructions below:
Log in to https://www.play-cricket.com/or your current club site.
Click on your name (on a PC/laptop) or person icon (on a mobile).
Select Edit Account from the dropdown list.
Click the Memberships & Roles tab.
Click the Delete icon for the site to be removed from your account.