The grounds of the compound are seen after U.S. Navy SEAL commandos killed al Qaeda leader Osama bin Laden in Abbottabad May 2, 2011. REUTERS/Stringer WASHINGTON (Reuters) - A former U.S. Navy SEAL who wrote a book about the daring operation on Osama Bin Laden’s compound in Pakistan has agreed to forfeit $6.8 million in book royalties and speaking fees, the New York Times reported on Friday, citin