public boolean removeBusLine(BusLine busLine) {
		final int index = this.busLines.indexOf(busLine);
		if (index >= 0) {
			return removeBusLine(index);
		}
		return false;
	}
public boolean removeBusLine ( BusLine busLine ) { final int index = this . busLines . indexOf ( busLine ) ; if ( index >= 0 ) { return removeBusLine ( index ) ; } return false ; }
Remove a bus line from this network.
All the itineraries and the associated stops will be removed also.
If this bus line removal implies empty hubs, these hubs
will be also removed.

@param busLine is the bus line to remove.
@return <code>true</code> if the bus line was successfully removed, otherwise <code>false</code>