I also have no sync option for Maps, but I also was not getting log in attempt notifications regarding Maps. Not sure what else you might try other than to delete that Telus account.
Here's what you can do to fix this annoying issue. Go to "settings" "accounts" "manage accounts" then scroll to where you see your Telus email address and click on this account. Then you can either "remove account" or, if you're uneasy with that, jus...