Universal Orlando and Universal’sother theme parks continued to improveparent company Comcast’s earnings last quarter, but a top executive on Thursday nonetheless raised the possibility of layoffs and other cost-cutting across the company in preparation for a potential recession next year. “As we enter the fourth quarter and look to our year ahead, we remain focused on driving long-term growth during an increasingly challenged economic environment,” Comcast President and CFO Mike Cavanagh said during a third-quarter earnings call Thursday. “As a result, we expect we will be taking severance an…