By Kanishka Singh WASHINGTON (Reuters) -President Joe Biden’s administration is reviewing the removal of some tariffs on China and a possible pause on federal gas tax as the United States struggles to tackle soaring gasoline prices and inflation, two top officials said on Sunday. U.S. Treasury Secretary Janet Yellen said some tariffs on China inherited from the administration of former President Donald Trump served “no strategic purpose” and added that Biden was considering removing them as a way to bring down inflation. Energy Secretary Jennifer Granholm said the president was also evaluating…