V-75393 has check text from V-75391

[rbclark]

The check and text on V-75393 is incorrect:

canonical-ubuntu-16.04-lts-stig-baseline/controls/V-75393.rb

Lines 74 to 98 in 4a56525

	desc 'check', "Verify the Ubuntu operating system security patches and updates
	are installed and up to date. Updates are required to be applied with a
	frequency determined by the site or Program Management Office (PMO).
	Obtain the list of available package security updates from Ubuntu. The URL for
	updates is https://www.Ubuntu.com/usn/. It is important to note that updates
	provided by Ubuntu may not be present on the system if the underlying packages
	are not installed.
	Check that the available package security updates have been installed on the
	system with the following command:
	# /usr/lib/update-notifier/apt-check --human-readable
	246 packages can be updated.
	0 updates are security updates.
	If security package updates have not been performed on the system within the
	timeframe that the site/program documentation requires, this is a finding.
	Typical update frequency may be overridden by Information Assurance
	Vulnerability Alert (IAVA) notifications from JFHQ-DoDIN.
	If the Ubuntu operating system is in non-compliance with the Information
	Assurance Vulnerability Management (IAVM) process, this is a finding."

V-75393 is the check for banner text.