Clean up hacky code that avoids loading @wikimedia/codex in vector 2022

This code was introduced as a hotfix for avoiding loading @wikimedia/codex
module in vector 2022 skin, in I44835e672bce97a7d3a98d9d75c4805ee2cc448d.

Now that the issue has been properly handled after this patch
(I43551be73da2126fd84ffaa0d37faec58bc47135) has been merged,
we can remove this code.

Bug: T353850
Change-Id: I458a0a6835caedb25bfaa1c58800fb9ce849fb1b

includes/Hooks.php

@@ -121,6 +121,8 @@ class Hooks implements
 		if ( !$this->config->get( 'ULSEnable' ) ) {
 			return false;
 		}
+		// Compact links should be disabled in Vector 2022 skin,
+		// when the language button is displayed at the top of the content
 		if ( $skin->getSkinName() === 'vector-2022' ) {
 			return !$this->isLanguageInHeader( $skin );
 		}
@@ -184,11 +186,6 @@ class Hooks implements
 			'wgVector2022LanguageInHeader' => $isVector2022LanguageInHeader
 		];
 
-		// Load compact links if no mw-interlanguage-selector element is present in the page HTML.
-		// Note if the element is rendered by the skin, its assumed that no collapsing is needed.
-		// See T264824 for more information.
-		// Note for Vector 2022, this skin is loaded as it tightly-coupled with ext.uls.interface
-		// A client side check avoids loading @wikimedia/codex for that skin.
 		if ( !$override && $isCompactLinksEnabled ) {
 			$out->addModules( 'ext.uls.compactlinks' );
 			// Add styles for the default button in the page.

resources/js/ext.uls.compactlinks.js

@@ -191,11 +191,9 @@
 		}
 		// If there is an interlanguage selector in the page already
 		// there is no need to add a trigger and Codex styles (T353850).
-		if ( !$( '.mw-interlanguage-selector' ).length ) {
 		mw.loader.using( '@wikimedia/codex' ).then( function () {
 			this.addTrigger();
 		}.bind( this ) );
-		}
 
 		mw.hook( 'mw.uls.compactlinks.initialized' ).fire( true );
 	};