macosx: remove hack when changing embedded video setting

I have been testing without this code for quite a while now, and I never
got the crash responsible for this hack anymore. So, lets remove the
hack, and if the crash occurs again, we should find a proper way to
fix it.

modules/gui/macosx/simple_prefs.m

@@ -987,9 +987,6 @@ static inline void save_module_list(intf_thread_t * p_intf, id object, const cha
     if (sender == o_intf_nativefullscreen_ckb && [o_intf_nativefullscreen_ckb state] == NSOnState)
         [o_intf_embedded_ckb setState: NSOnState];
 
-    if (sender == o_intf_embedded_ckb)
-        [[VLCCoreInteraction sharedInstance] stop];
-
     b_intfSettingChanged = YES;
 }