dap4/d4cdm/src/main/java/dap4/cdm/NodeMap.java
public void remove(CDM_T cdm, DAP_T dap)
    {
        assert (dap != null && cdm != null);
        cdm = (CDM_T)CDMNode.unwrap(cdm);
        dapmap.remove(cdm.localhash());
        cdmmap.remove(dap);
    }
public void remove(CDM_T cdm, DAP_T dap)
    {
        assert (dap != null && cdm != null);
        cdm = (CDM_T)CDMNode.unwrap(cdm);
        dapmap.remove(cdm.localhash());
        cdmmap.remove(dap);
    }
Given a DAP_T <-> CDM_T pair, remove
from the maps
@param cdm
@param dap