AP: The Obama administration is asking a federal judge to throw out part of a lawsuit challenging its moratorium on deepwater oil drilling in the Gulf of Mexico now that the ban’s been lifted. A court filing Wednesday requesting the dismissal of claims filed by Ensco Offshore comes a day after the Interior Department lifted its temporary moratorium. The Justice Department says some of the company’s claims are moot. U.S. District Judge Martin Feldman had overturned Interior’s …