Leave it for now. It'll drift down a bit on it's own depending on the TA of your fill water.
The only reason to lower immediately is if you decide you are having to add acid to often to keep your pH down. As long as your pH remains fairly stable, leave the TA alone.
The only reason to lower immediately is if you decide you are having to add acid to often to keep your pH down. As long as your pH remains fairly stable, leave the TA alone.