Duplicate class "waves-effect" in pagination links

[ni-fara]

Reproduction:
Go to https://mdbootstrap.com/docs/jquery/components/pagination/ , check the generated html code for one of the pagination expamples, there are two "waves-effect" in a element class.

<li class="page-item"><a class="page-link waves-effect waves-effect">2</a></li>

[gbujanski]

Hey. You're right. We'll fix it.