Adjust reaper_freq to match the default value set in code

example/gamemode.ini

@@ -1,6 +1,6 @@
 [general]
-; The reaper thread will check every 10 seconds for exited clients
-reaper_freq=10
+; The reaper thread will check every 5 seconds for exited clients
+reaper_freq=5
 
 ; The desired governor is used when entering GameMode instead of "performance"
 desiredgov=performance