chore(clazz-e2e): remove debug logging from clazz-dual-view tests

Debug logs were added to diagnose CI .view-toolbar failures. Root cause
was identified and fixed — role dialog now uses proper waitFor instead of
isVisible snapshot. Cleanup phase.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

tests/clazz-dual-view.spec.ts

@@ -33,19 +33,6 @@ test.describe('排课双视图切换（阿难账号）', () => {
     await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
     await page.waitForTimeout(3000);
 
-    // Debug: capture page state before assertion
-    const debugUrl = page.url();
-    console.log(`[debug] URL after login+goto: ${debugUrl}`);
-    const pageTitle = await page.title().catch(() => 'N/A');
-    console.log(`[debug] Page title: ${pageTitle}`);
-    const bodyText = await page.evaluate(() => document.body?.innerText?.substring(0, 500) || 'no body');
-    console.log(`[debug] Body text (first 500): ${bodyText.replace(/\n/g, '↵')}`);
-    const appHtml = await page.evaluate(() => {
-      const app = document.getElementById('app');
-      return app ? app.innerHTML.substring(0, 800) : 'no #app';
-    });
-    console.log(`[debug] #app innerHTML (first 800): ${appHtml}`);
-
     // Check toggle buttons exist
     const toggleBar = page.locator('.view-toolbar');
     await expect(toggleBar).toBeVisible({ timeout: 10_000 });