Update WPCS whitelisting comments

These values are actually being sanitized, but because `wp_unslashed()`
is (rightly) being used, WPCS is flagging them. We’ll remove these
comments once this is fixed upstream. See
WordPress/WordPress-Coding-Standards#172

See #324

src/admin/screens/modules-load.php

@@ -91,7 +91,7 @@
 		check_admin_referer( 'bulk-modules' );
 
 		$modules = isset( $_POST['checked'] )
-			? array_map( 'sanitize_text_field', (array) wp_unslash( $_POST['checked'] ) ) // XSS OK WPCS.
+			? array_map( 'sanitize_text_field', (array) wp_unslash( $_POST['checked'] ) ) // WPCS: sanitization OK.
 			: array();
 
 		// Only activate modules which are not already active.
@@ -219,7 +219,7 @@ function wordpoints_module_sandbox_scrape( $module ) {
 		check_admin_referer( 'bulk-modules' );
 
 		$modules = isset( $_POST['checked'] )
-			? array_map( 'sanitize_text_field', (array) wp_unslash( $_POST['checked'] ) ) // XSS OK WPCS.
+			? array_map( 'sanitize_text_field', (array) wp_unslash( $_POST['checked'] ) ) // WPCS: sanitization OK.
 			: array();
 
 		$network_modules = array_filter( $modules, 'is_wordpoints_module_active_for_network' );
@@ -262,7 +262,7 @@ function wordpoints_module_sandbox_scrape( $module ) {
 
 		// $_POST = from the module form; $_GET = from the FTP details screen.
 		$modules = isset( $_REQUEST['checked'] )
-			? array_map( 'sanitize_text_field', (array) wp_unslash( $_REQUEST['checked'] ) ) // XSS OK WPCS.
+			? array_map( 'sanitize_text_field', (array) wp_unslash( $_REQUEST['checked'] ) ) // WPCS: sanitization OK.
 			: array();
 
 		if ( empty( $modules ) ) {