You can go back to rawdogging your tap water again. Two days after Halifax Water issued a boil-water advisory for roughly 200,000 residents across the HRM, the utility says it’s safe to drink water from the tap again. The advisory, which initially covered all residents serviced by the Pockwock water treatment facility—and included all of peninsular Halifax, along with large swaths of Bedford, Middle and Lower Sackville, Timberlea, Spryfield, Fall River, Waverley, Windsor Junction, Hammonds Plains and Herring Cove—had been in effect since the morning of Tuesday, Jan 21…