misc/balloc.h: remove unused BAllocTwoArrays, BAllocThreeArrays
misc/balloc.h: remove unused BAllocTwoArrays, BAllocThreeArrays

DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn,DavidCox1979/badvpn