refactor: Retire the use of unmaintained custom-card-helpers (#1956)

- Closes #1295

src/components/submenu/submenu-button.ts

@@ -1,9 +1,10 @@
-import { hasAction, HomeAssistant } from '@dermotduffy/custom-card-helpers';
 import { CSSResultGroup, html, LitElement, TemplateResult, unsafeCSS } from 'lit';
 import { customElement, property } from 'lit/decorators.js';
 import { styleMap } from 'lit/directives/style-map.js';
 import { actionHandler } from '../../action-handler-directive.js';
 import { MenuSubmenu } from '../../config/types.js';
+import { hasAction } from '../../ha/has-action.js';
+import { HomeAssistant } from '../../ha/types.js';
 import menuButtonStyle from '../../scss/menu-button.scss';
 import '../icon.js';
 import './index.js';