Sure, you Linux gurus must be laughing at me to see this post. However, this is my 2nd time needing to remove a user’s password and I had to Google for it! So here is just a quick tip to mind your truly:
In case you’re wondering why I need to remove a password for an account, it’s for my 4 year old daughter who enjoys playing supertuxcart. She wants to have her own user account on a Fedora 24 box without a password.
Ref: https://ask.fedoraproject.org/en/question/47102/how-to-remove-user-password/