Revert "no bundled content for Ardour"

this was a mistake.

This reverts commit 9662e6eac0.

gtk2_ardour/trigger_clip_picker.cc

@@ -358,14 +358,8 @@ display_name (std::string const& dir) {
 			std::string type;
 			if (root->get_property ("type", type)) {
 				if (type == "bundled") {
-#ifdef MIXBUS
-					/* Ardour has no bundled content */
 					return string_compose (_("%1 Bundled Content"), PROGRAM_NAME);
-#else
-					return std::string();
-#endif
 				}
-
 			}
 #if ENABLE_NLS
 			if (ARDOUR::translations_are_enabled ()) {