🐞 fix: Clean up code for production use

static/js/modules/FocusStyling.js

@@ -1,17 +0,0 @@
-/**
- * Add Focus Styling Back
- * -
- * On the first "Tab" key press, remove the "zero/hidden" styling of the outline for :focus states.
- */
-
-function AddFocusStylingBack() {
-  function addFocusStylingBack(event) {
-    if (event.key == "Tab") { document.body.classList.add('keyboard-navigation'); }
-
-    document.removeEventListener("keydown", addFocusStylingBack);
-  }
-
-  document.addEventListener("keydown", addFocusStylingBack);
-}
-
-export default AddFocusStylingBack;