Remove unused argument to parseBindingAtom()
Remove unused argument to parseBindingAtom()

parseBindingAtom does not have any arguments
marijnh/acorn,TimothyGu/acorn,mysticatea/acorn,ternjs/acorn,TimothyGu/acorn,ternjs/acorn,ternjs/acorn,marijnh/acorn,marijnh/acorn,mysticatea/acorn,mysticatea/acorn,TimothyGu/acorn