Section 178(b) provides that an address for service of notices must be given, this can be an email address.
Section 178(c) provides that a postal address must be recorded on the strata roll, and an email address if not already provided for service of notices.
So – no, the Act provides that a postal address must be included on the strata roll, as well as an email address. The owner can’t ask for the postal address to be removed.