Remove not implemented entries in the Statistics window

[lupino3]

Some statistics are not implemented and the counter is always at 0. Those lines should be removed to avoid confusion.

See below, for example:

edumips64/src/main/java/org/edumips64/ui/swing/GUIStatistics.java

Lines 161 to 174 in f1d52b8

	case 7:
	label.setText(" 0 " + CurrentLocale.getString("WARS"));
	return label;
	case 8:
	label.setText(" " + dividerStalls + " " + CurrentLocale.getString("STRUCTS_DIVNOTAVAILABLE"));
	return label;
	case 9:
	label.setText(" " + memoryStalls + " " + CurrentLocale.getString("STRUCTS_MEMNOTAVAILABLE"));
	return label;
	case 10:
	label.setText(" 0 " + CurrentLocale.getString("BTS"));
	return label;
	case 11:
	label.setText(" 0 " + CurrentLocale.getString("BMS"));