Fix mailto link on Team page

[Deleted user]

When visiting https://dotnetfoundation.org/team, I noticed that the email icon under Miklos Barkoczi's name has mailto: referenced twice. It may be obvious to some, but not to others.

<a href="mailto:mailto:[e-mail]">
    <i class="fa fa-envelope" aria-hidden="true"></i>
</a>

should be

<a href="mailto:[e-mail]">
    <i class="fa fa-envelope" aria-hidden="true"></i>
</a>