Revert "Disallow screenshot on Wi-Fi QR code settings"

This reverts commit 950837b20f418df7a0583f5fa78df00a74a88c31.

Reason for revert: The security issue is downgraded to NSI, remove the screenshot protection to rollback the original design.

Change-Id: Iecaf7e4e19dc3452a7d2aeaf32bf38619e760c76
2 files changed