selection: Simplify code
selection: Simplify code

vte_cell_is_between is only ever called with inclusive=TRUE, so
drop that parameter. TODO: cleanup this function!

thestinger/vte-ng,saitoha/vte-sixel,thestinger/vte-ng,saitoha/vte-sixel,saitoha/vte-sixel,thestinger/vte-ng