It doesnt look like it is a criminal offence but when I tried to remove myself the option wasnt there, so I changed the name. I could remove other people on the system.

https://www.legislation.gov.uk/ukpga/2013/6/section/5/enacte...

Maintenance of registers: invitations to register in Great Britain

(1)A registration officer in Great Britain must give a person an invitation to apply for registration in a register maintained by the officer if—

(a)the officer is aware of the person’s name and address,

(b)the person is not registered in the register, and

(c)the officer has reason to believe that the person may be entitled to be registered in the register.