In Version 3.0.14, open parts/class-footer-footer_main.php
Change lines 171 to 175 from:
$credits = sprintf( '<p> · © %1$s <a href="%2$s" title="%3$s" rel="bookmark">%3$s</a> · Designed by %4$s ·</p>',
esc_attr( date( 'Y' ) ),
esc_url( home_url() ),
esc_attr(get_bloginfo()),
'<a href="'.TC_WEBSITE.'">Themes & Co</a>'
to
$credits = sprintf( '<p> · © %1$s <a href="%2$s" title="%3$s" rel="bookmark">%3$s</a> ·</p>',
esc_attr( date( 'Y' ) ),
esc_url( home_url() ),
esc_attr(get_bloginfo())