ISTWCMS-5633:removing CS fix to javascript for horizontal menu to allow for script to execute.

src/patterns/04-components/menu/menu--horizontal/menu--horizontal.js

@@ -121,12 +121,12 @@
                     menu.querySelector('.submenu-active').classList.remove('submenu-active');
                   }
                 }
-                document.addEventListener('click', closeSubmenu, FALSE);
+                document.addEventListener('click', closeSubmenu, false);
               }
 
               for (let item of items) {
                 if (item.querySelector('.menu__subnav')) {
-                  item.addEventListener('click', toggleItem, FALSE);
+                  item.addEventListener('click', toggleItem, false);
                 }
                 // Add event listeners to keyup event of enter
                 // and escape keys for the menu--items .
@@ -157,7 +157,7 @@
               // If Toggle on page Add event
               // listeners on the menu toggle button.
               if (toggle) {
-                toggle.addEventListener('click', toggleMenu, FALSE);
+                toggle.addEventListener('click', toggleMenu, false);
               }
 
               // Apply timeout to the to event firing