SCUMM: No longer register the Indy and Loom fonts

With the recent change to the Mac font manager, the font is registered
when it's loaded. All we need is the correct ID, because we don't want
to hard code that.

engines/scumm/macgui/macgui_impl.cpp

@@ -233,7 +233,7 @@ void MacGuiImpl::initialize() {
 
 	for (uint i = 0; i < fontFamilies.size(); i++) {
 		if (fontFamilies[i]->getName() == fontFamily) {
-			_gameFontId = _windowManager->_fontMan->registerFontName(fontFamily, fontFamilies[i]->getFontFamilyId());
+			_gameFontId = fontFamilies[i]->getFontFamilyId();
 			break;
 		}
 	}