motorBike: snappyHexMesh: increase in cell count

$FOAM_TUTORIALS/pisoFoam/LES/motorBike produces a mesh of considerable difference in cell count when snappyHexMesh is executed with 3b0af864 (develop) vs 76d719d1 (2206):

log.checkMesh.2206.zip

    points:           3925080
    faces:            10332611
    internal faces:   9704338
    cells:            3238121
    faces per cell:   6.18783
    boundary patches: 73 (74 79)

vs

log.checkMesh.develop.zip

    points:           4859321
    faces:            12761976
    internal faces:   11993902
    cells:            3999062
    faces per cell:   6.19042
    boundary patches: 73 (74 78)

@Mattijs @mark @andy @Prashant

Some recent comments made for snappyHexMesh: 34d69cad f276366a c418c28c 5ea365a2 27c3d0c2