refactor: align copy code pattern with rest of components page

Use inline template literals with {% raw %}{% endraw %} and HTML entities
(") for quotes, consistent with other copy code buttons on the page.
Removed the codeSnippets JS variables.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

static/admin/js/components.js

@@ -435,34 +435,6 @@ function adminComponents() {
         showDynamicConfirmDemo: false,
         dynamicItemName: '',
 
-        // Code snippets for confirm modal macros
-        codeSnippets: {
-            confirmModal: `{% from 'shared/macros/modals.html' import confirm_modal %}
-
-{{ confirm_modal(
-    'deleteConfirm',
-    'Delete Item',
-    'Are you sure you want to delete this item?',
-    'deleteItem()',
-    'showDeleteModal',
-    'Delete',
-    'Cancel',
-    'danger'
-) }}`,
-            confirmModalDynamic: `{% from 'shared/macros/modals.html' import confirm_modal_dynamic %}
-
-{{ confirm_modal_dynamic(
-    'removePlatformModal',
-    'Remove Platform',
-    "'Are you sure you want to remove \\\"' + (item?.name || '') + '\\\" ?'",
-    'confirmRemove()',
-    'showConfirmModal',
-    'Remove',
-    'Cancel',
-    'warning'
-) }}`
-        },
-
         // Example log data for demo
         showErrorLogDemo() {
             this.exampleLog = {