Revert "chore: give armarker priority build"

This reverts commit d5e518e.

armarker sys needs ARENA.events to be loaded for init

Author: hi-liang

src/systems/index.js

@@ -14,12 +14,12 @@
 import 'aframe-extras'; // gltf animations, components for controls, model loaders, pathfinding
 import './vendor/nav-system'; // Override nav system
 
-import './armarker';
 import './core'; // ARENA core systems
 import './ui'; // 2D UI systems
 import './postprocessing'; // post-processing
 import './hybrid-rendering'; // hybrid rendering
 import './webar';
 import './webxr'; // special handler for webxr devices
+import './armarker';
 import './build3d';
 import './scene';