MM-53088 - remove autoshow linked board (#23783)

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/playwright/support/server/default_config.ts

@@ -675,7 +675,6 @@ const defaultServerConfig: AdminConfig = {
         WysiwygEditor: false,
         PeopleProduct: false,
         ReduceOnBoardingTaskList: false,
-        OnboardingAutoShowLinkedBoard: false,
         ThreadsEverywhere: false,
         GlobalDrafts: true,
         OnboardingTourTips: true,

e2e-tests/playwright/tests/visual/channels/intro_channel.spec.ts

@@ -2,6 +2,7 @@
 // See LICENSE.txt for license information.
 
 import {expect, test} from '@e2e-support/test_fixture';
+import {duration, wait} from '@e2e-support/util';
 
 test('Intro to channel as regular user', async ({pw, pages, browserName, viewport}, testInfo) => {
     // Create and sign in a new user
@@ -16,10 +17,9 @@ test('Intro to channel as regular user', async ({pw, pages, browserName, viewpor
     await channelsPage.toBeVisible();
 
     // Wait for Boards' bot image to be loaded
-    // await pw.shouldHaveFeatureFlag('OnboardingAutoShowLinkedBoard', true);
-    // const boardsWelcomePost = await channelsPage.getFirstPost();
-    // await expect(await boardsWelcomePost.getProfileImage('boards')).toBeVisible();
-    // await wait(duration.one_sec);
+    const boardsWelcomePost = await channelsPage.getFirstPost();
+    await expect(await boardsWelcomePost.getProfileImage('boards')).toBeVisible();
+    await wait(duration.one_sec);
 
     // Wait for Playbooks icon to be loaded in App bar, except in iphone
     if (!pw.isSmallScreen()) {