Grand Theft Auto maker Take-Two Interactive is reducing its headcount by 5 percent as part of a cost reduction program that was announced earlier this year.The U.S. publisher, which just spent $460 million to acquire Gearbox Interactive from Embracer, said it wants to "identify efficiencies across its business and enhance the company’s margin profile, while still investing for growth.""As part of these efforts, the company is rationalizing its pipeline and eliminating several projects in development and streamlining its organizational structure, which will eliminate headcount and reduce future hiring needs," added Take-Two in an SEC filing."The company estimates that it will incur approximately $160 million to $200 million in total charges in connection with the …