Hide posts tab from WPUF account page

solution.php

<?php

function wpuf_sections_customize($sections){
	$posts_tab_index = null;

	foreach ($sections as $index => $value) {
		if ($value['slug'] == 'posts') {
			$posts_tab_index = $index;
		}
	}

	unset($sections[$posts_tab_index]);

   	return $sections;
}

add_filter('wpuf_account_sections', 'wpuf_sections_customize');