Some of the existing logic checked that modifiers were KM_MOD_HELD, other logic checked the value wasn't KM_NOTHING or KM_ANY. Simplify checks by comparing against KM_MOD_HELD in all cases as this won't be set to other values.
Some of the existing logic checked that modifiers were KM_MOD_HELD, other logic checked the value wasn't KM_NOTHING or KM_ANY. Simplify checks by comparing against KM_MOD_HELD in all cases as this won't be set to other values.