You are able to remove people from your friends and family list via these two options.
1) You can sign into your online account as the account owner by clicking here http://www.verizonwireless.com/b2c/myaccount/selfserve.jsp. Once on that page, if you scroll down on the left you will click on manage friends and family and it will give you the option to sign in. On the My Services Tab in My Verizon, you can add and remove numbers from the Friends & Family list.
2) You may dial *611 from your device or dial 1-800-922-0204 from a landline and choose option two then five. This will give you the ability to add and remove numbers from the Friends & Family list as well.