DEV: removes hidden-details component (#27833)

Not used anywhere

app/assets/javascripts/discourse/app/components/hidden-details.hbs

@@ -1,6 +0,0 @@
-{{#unless this.expanded}}
-  <DButton @action={{this.expand}} @label={{this.label}} class="btn-link" />
-{{/unless}}
-{{#if this.expanded}}
-  <span class="description" aria-live="assertive">{{this.details}}</span>
-{{/if}}

app/assets/javascripts/discourse/app/components/hidden-details.js

@@ -1,9 +0,0 @@
-import Component from "@ember/component";
-import { action } from "@ember/object";
-
-export default Component.extend({
-  @action
-  expand() {
-    this.set("expanded", true);
-  },
-});

app/assets/javascripts/discourse/tests/integration/components/hidden-details-test.js

@@ -1,29 +0,0 @@
-import { click, render } from "@ember/test-helpers";
-import { hbs } from "ember-cli-htmlbars";
-import { module, test } from "qunit";
-import { setupRenderingTest } from "discourse/tests/helpers/component-test";
-import { exists, query } from "discourse/tests/helpers/qunit-helpers";
-import I18n from "discourse-i18n";
-
-module("Integration | Component | hidden-details", function (hooks) {
-  setupRenderingTest(hooks);
-
-  test("Shows a link and turns link into details on click", async function (assert) {
-    this.set("label", "label");
-    this.set("details", "details");
-
-    await render(
-      hbs`<HiddenDetails @label={{this.label}} @details={{this.details}} />`
-    );
-
-    assert.ok(exists(".btn-link"));
-    assert.strictEqual(query(".btn-link span").innerText, I18n.t("label"));
-    assert.notOk(exists(".description"));
-
-    await click(".btn-link");
-
-    assert.notOk(exists(".btn-link"));
-    assert.ok(exists(".description"));
-    assert.strictEqual(query(".description").innerText, "details");
-  });
-});