chore: Clean up unused files, imports, and work on getting end-to-end tests and unit tests running (#2272)

platform/ui/src/components/HotkeysPreferences/HotkeysPreferences.jsx

@@ -19,7 +19,7 @@ const HotkeysPreferences = ({ disabled, hotkeyDefinitions, errors: controlledErr
   const splitedHotkeys = splitHotkeyDefinitionsAndCreateTuples(visibleHotkeys);
 
   if (!Object.keys(hotkeyDefinitions).length) {
-    return 'No hotkeys definitions';
+    return 'No hotkey definitions';
   }
 
   const onHotkeyChangeHandler = (id, definition) => {

platform/ui/src/components/HotkeysPreferences/hotkeysConfig.js

@@ -1,7 +1,3 @@
-const range = (start, end) => {
-  return new Array(end - start).fill().map((d, i) => i + start);
-};
-
 export const MODIFIER_KEYS = ['ctrl', 'alt', 'shift'];
 
 export const DISALLOWED_COMBINATIONS = {