RiverCityGraphix

The Remove Profile Bio plugin allows you to quickly remove the biographical information field from the edit profile page on your site.
Features:
<ul>
<li>Simple install. Activate, and the field disappears.</li>
<li>Renames the section header from “About Yourself” to “Password”</li>
<li>Does not use jQuery to hide the field.</li>
</ul>

Remove Profile Bio

The Remove Profile Bio plugin allows you to quickly remove the biographical information field from the edit profile page on your site.

jmarreros

This Plugin shows author’s biography in the foot of the posts, also adds 
social networks and a link to see all the entries written by the author.

Simple Author Bio

Plugin that shows the author's biography in the foot of the posts.

Remove Profile Bio vs Simple Author Bio