broadcom/compiler: remove qpu_acc, and other LOAD_IMM related code
qpu_acc is one-liner helper used twice ... and with this MR we remove one of their uses. So let's remove it. We also remove other LOAD_IMM related unused (commented) code.
qpu_acc is one-liner helper used twice ... and with this MR we remove one of their uses. So let's remove it. We also remove other LOAD_IMM related unused (commented) code.