[acprep] Remove obsoleted command submodule
[acprep] Remove obsoleted command submodule

from help
duncanmortimer/ledger,ledger/ledger,paulbdavis/ledger,ledger/ledger,afh/ledger,paulbdavis/ledger,paulbdavis/ledger,duncanmortimer/ledger,duncanmortimer/ledger,ledger/ledger,ledger/ledger,paulbdavis/ledger,afh/ledger,duncanmortimer/ledger,paulbdavis/ledger,ledger/ledger,duncanmortimer/ledger,afh/ledger,duncanmortimer/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,afh/ledger,paulbdavis/ledger