disable "test lights" and "set machine time"

stepmania/Themes/default/metrics.ini

@@ -3794,7 +3794,7 @@ PrevScreen=ScreenTitleMenu
 # when using entries that change the screen; otherwise, the only way to
 # exit the screen when in arcade mode is "exit".
 
-LineNames=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
+LineNames=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
 OptionMenuFlags=together;forceallplayers;smnavigation
 # This NextScreen is only used for the "exit" choice.
 Line1=list,Appearance Options
@@ -3813,8 +3813,6 @@ Line13=list,Profile Options
 Line14=list,Other Options
 Line15=list,Reload Songs/Courses
 Line16=list,Test Input
-Line17=list,Test Lights
-Line18=list,Set Machine Time
 
 [TextBanner]
 TitleX=-90