No, it is standard language included in all their responses. GA is confirming you were not previously audited and owe the state money before they release your refund.
If you were being audited, you would receive a letter of Proposed Adjustments, which is Georgia's name for an audit.
For more information, follow this link: GA Proposed Assessment
"You are good to go. That only means that they can still audit your tax return in the future, even though they have sent you your refund. The Federal government and Georgia have 3 years from the due date of the return (April 17th, 2018) to start an audit. However, the percentage of returns which get audited is surprisingly small."