Bandwidth Tweaks

Tweaks to the bandwidth cost of some mechinoids.

Diabolus 5 -> 4
Warqueen 5 -> 4
Centurion 5 -> 3
Centipede (All) 4 -> 3
Tesseron 3 -> 1
Lancer 3 -> 2
Tunneler 3 -> 2
Scyther 2 -> 1
Pikeman 2 -> 1