Update cellSize JSDocs (#473)
Update cellSize JSDocs (#473)

Keeping JSDocs consistent with the input variable `cellSize` instead of using `cellWidth`
dpmcmlxxvi/turf,ath0mas/turf,stebogit/turf,hooplert/jesper,jvrousseau/turf,dpmcmlxxvi/turf,tilemapjp/turf,Turfjs/turf,Turfjs/turf,jvrousseau/turf,hooplert/jesper,hooplert/jesper,stebogit/turf,Turfjs/turf,dpmcmlxxvi/turf,ath0mas/turf,stebogit/turf,jvrousseau/turf,tilemapjp/turf,tilemapjp/turf