[cleanup] Remove test

The test verified old behavior that was there when we were still minifying lit-html templates.
That logic was removed in https://crrev.com/c/4765264

Bug: none
Change-Id: I3ab019ed0b2e7740b7643299ea8d9b7b17c3124f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7095646
Reviewed-by: Alex Rudenko <[email protected]>
Reviewed-by: Kim-Anh Tran <[email protected]>
Commit-Queue: Nikolay Vitkov <[email protected]>
Auto-Submit: Nikolay Vitkov <[email protected]>

Author: Lightning00Blade

front_end/ui/legacy/XLink.test.ts

@@ -25,15 +25,6 @@ describe('XLink', () => {
     });
   });
 
-  describe('HTML minification', () => {
-    it('properly minifies whitespaces in release mode', () => {
-      const target = document.createElement('section');
-      render(UI.XLink.sample, target, {host: this});
-      const result = target.querySelector('p')?.innerText;
-      assert.strictEqual(result, 'Hello, world!');
-    });
-  });
-
   describe('tabindex', () => {
     it('is 0 by default', () => {
       const link = UI.XLink.XLink.create('https://example.com/', 'Click me');

front_end/ui/legacy/XLink.ts

@@ -4,7 +4,6 @@
 
 import * as Host from '../../core/host/host.js';
 import * as Platform from '../../core/platform/platform.js';
-import {html} from '../lit/lit.js';
 import * as VisualLogging from '../visual_logging/visual_logging.js';
 
 import * as ARIAUtils from './ARIAUtils.js';
@@ -155,5 +154,3 @@ export class ContextMenuProvider implements Provider<Node> {
 }
 
 customElements.define('x-link', XLink);
-
-export const sample = html`<p>Hello, <x-link>world!</x-link></p>`;