Add this function to your functions.php file to disable follower count for Twitter Widget Pro:
function twp_hide_follower_count( $attributes ) {
if( !empty( $attributes['class'] ) && 'twitter-follow-button' == $attributes['class'] )
$attributes['data-show-count'] = 'false';
return $attributes;
}
add_filter( 'widget_twitter_link_attributes', 'twp_hide_follower_count' );