core: remove useless use of formats
core: remove useless use of formats

Former-commit-id: 915a99bfe86092dc667343128f7c63e4974e7b7f [formerly 694dd340486f4bbe48febf419d895e51479888fc]
Former-commit-id: d0b1a2c8e99d1b480ffbc81e4e3d6ffe8ea2a89a
torhve/ivar2,haste/ivar2,torhve/ivar2,torhve/ivar2