Hide empty/invalid File type user fields from the directory and profile frontend pages.

my_pmpromd_hide_empty_file_fields.php

<?php
/**
 * Hide empty/invalid File user fields on the directory and profile pages.
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpromd_hide_empty_file_fields( $value, $element, $pu, $displayed_levels ) {
	if ( esc_html__( 'No file uploaded.', 'paid-memberships-pro' ) === $value || esc_html__( 'Invalid file data.', 'paid-memberships-pro' ) === $value ) {
		$value = false;
	}

	return $value;
}
add_filter( 'pmpromd_get_display_value', 'my_pmpromd_hide_empty_file_fields', 10, 4 );