V-58901 sudo nopasswd too aggressive

[jamescassell]

The remediation removes the sudoers line entirely rather than just removing the NOPASSWD part, contrary to how the fix looks like it's written.

[jamescassell]

also doesn't use validate with visudo to avoid breakage. Would be better to do something like the RHEL7-STIG: https://github.com/MindPointGroup/RHEL7-STIG/pull/73