Modify the EDD settings page for non-super admin users.

edd-settings.php

<?php
/**
 * EDD Super Admin Settings
 *
 * Modifies the EDD settings page for non-super admin users.
 *
 * @package      EDSU_Admin
 * @author       FAT Media <[email protected]>
 * @copyright    Copyright (c) 2012, FAT Media
 * @license      http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since        1.0.0
 */
add_action('plugins_loaded','edsu_super_admin_check');
function edsu_super_admin_check() {
	if ( ! is_super_admin() ) {
		// Ensure all plugin filters are disabled for 'Gateways'
		remove_all_filters( 'edd_settings_gateways', 10 );
		// Display only necessary EDD settings for 'Gateways'
		function edsu_replace_settings_gateway( $settings ) {
			$settings = array(
				'paypal_email' => array(
					'id' => 'paypal_email',
					'name' => __('PayPal Email', 'edd'),
					'desc' => __('Enter your PayPal account\'s email', 'edd'),
					'type' => 'text',
					'size' => 'regular'
				),
			);
			return $settings;
		}
		add_filter( 'edd_settings_gateways', 'edsu_replace_settings_gateway' );
	}
}