ktest: Remove commented exit

A debug 'exit' was left in ktest.pl. Remove it.
Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>

tools/testing/ktest/ktest.pl

@@ -2448,7 +2448,6 @@ sub create_config {
     }
     close(OUT);
 
-#    exit;
     make_oldconfig;
 }