PHILADELPHIA - Philadelphia is taking significant steps towards fully reopening the city on Friday by rolling back several of its coronavirus restrictions including raising capacity limits on businesses and lifting outdoor mask-wearing for fully vaccinated people.Health officials in early May announced that the city would drop social distancing requirements from six feet to three feet, and allow most businesses to fill to 50% capacity on May 21.Restaurants and bars will remain at 50% indoor capacity, or 75% capacity with enhanced ventilation, but will now be allowed to sell alcohol without the purchase of food.