NEW: Revert "[STUDIO-2476] design_staffpick"

This reverts commit 0063720bbaaa6a680f2d9f395d60cf193d126e11.

Change-Id: Ieb19daf19b38f5e25b78967ee225042988d98c7d

src/libslic3r/AppConfig.cpp

@@ -292,10 +292,6 @@ void AppConfig::set_defaults()
         set("max_recent_count", "18");
     }
 
-    if (get("staff_pick_switch").empty()) {
-        set_bool("staff_pick_switch", true);
-    }
-
     if (get("sync_system_preset").empty()) {
         set_bool("sync_system_preset", true);
     }