Remove fragile quit-key assertion from dev test

The shortcut hint is rendered via terminal control sequences that
don't reliably appear in PTY-captured output. The test already
validates startup via waitForOutput and quit via sendKey + exit code.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ryancbahan

packages/e2e/tests/toml-config.spec.ts

@@ -25,9 +25,6 @@ test.describe('TOML config regression', () => {
     try {
       await proc.waitForOutput('Ready, watching for changes in your app', 3 * 60 * 1000)
 
-      const output = proc.getOutput()
-      expect(output).toMatch(/q\s*[│|]\s*quit/i)
-
       proc.sendKey('q')
       const exitCode = await proc.waitForExit(30_000)
       expect(exitCode, `dev exited with non-zero code. Output:\n${proc.getOutput()}`).toBe(0)