fix: remove enableChroot option from tests (always on after PR #699)

Chroot mode is now always enabled, so the enableChroot option was
removed from AwfOptions. Update Tests 8-9 to drop the obsolete flag.

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

Author: Mossaka

tests/integration/credential-hiding.test.ts

@@ -194,7 +194,7 @@ describe('Credential Hiding Security', () => {
           allowDomains: ['github.com'],
           logLevel: 'debug',
           timeout: 60000,
-          enableChroot: true,
+          // Chroot is always enabled (no flag needed)
         }
       );
 
@@ -216,7 +216,7 @@ describe('Credential Hiding Security', () => {
           allowDomains: ['github.com'],
           logLevel: 'debug',
           timeout: 60000,
-          enableChroot: true,
+          // Chroot is always enabled (no flag needed)
         }
       );