Site Editor: Remove dead code (#37581)

* Site Editor: Remove dead code

* Remove unused constants

packages/edit-site/src/components/navigation-sidebar/navigation-panel/constants.js

@@ -51,35 +51,20 @@ export const TEMPLATES_POSTS_PREFIXES = [
 
 export const TEMPLATES_PAGES_PREFIXES = [ 'page-' ];
 
-export const TEMPLATES_NEW_OPTIONS = [
-	'front-page',
-	'single-post',
-	'page',
-	'archive',
-	'search',
-	'404',
-	'index',
-];
-
 export const TEMPLATE_OVERRIDES = {
 	singular: [ 'single', 'page' ],
 	index: [ 'archive', '404', 'search', 'singular', 'home' ],
 	home: [ 'front-page' ],
 };
 
 export const MENU_ROOT = 'root';
-export const MENU_CONTENT_CATEGORIES = 'content-categories';
-export const MENU_CONTENT_PAGES = 'content-pages';
-export const MENU_CONTENT_POSTS = 'content-posts';
 export const MENU_TEMPLATE_PARTS = 'template-parts';
 export const MENU_TEMPLATES = 'templates';
 export const MENU_TEMPLATES_GENERAL = 'templates-general';
 export const MENU_TEMPLATES_PAGES = 'templates-pages';
 export const MENU_TEMPLATES_POSTS = 'templates-posts';
 export const MENU_TEMPLATES_UNUSED = 'templates-unused';
 
-export const SEARCH_DEBOUNCE_IN_MS = 75;
-
 export const MENU_TEMPLATE_PARTS_HEADERS = 'template-parts-headers';
 export const MENU_TEMPLATE_PARTS_FOOTERS = 'template-parts-footers';
 export const MENU_TEMPLATE_PARTS_SIDEBARS = 'template-parts-sidebars';