(Post should be in Products or Ideas, not Marketing Central.)
You don't need the link in the email, but you do need a mkt_tok (lead + email identifier) to pass to the web viewer. Which means you need to include the token somewhere in the email, even if just for copying and pasting.
But I can't say I understand why you want to suppress the link, since it provides a valuable compatibility measure. I click a couple of web views a week in mktg emails.