boolean removePermEntry(PolicyEntry pe,PolicyParser.PermissionEntry perm){
  PolicyParser.GrantEntry ppge=pe.getGrantEntry();
  modified=ppge.remove(perm);
  return modified;
}

boolean removePermEntry ( PolicyEntry pe , PolicyParser . PermissionEntry perm ) { PolicyParser . GrantEntry ppge = pe . getGrantEntry ( ) ; modified = ppge . remove ( perm ) ; return modified ; }
remove a permission entry from an existing policyentry .
