LLVMNode: remove another unsed method
LLVMNode: remove another unsed method

Signed-off-by: Marek Chalupa <2ec68d8033ee11c75b31c3efa204dbc26c692ff1@fi.muni.cz>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg