vl.c: remove outdated comment

Cc: qemu-trivial@nongnu.org

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <1542276385-7638-1-git-send-email-liq3ea@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/vl.c b/vl.c
index 611d887..a5ae5f2 100644
--- a/vl.c
+++ b/vl.c
@@ -1523,9 +1523,6 @@
     return 1;
 }
 
-/***********************************************************/
-/* main execution loop */
-
 struct vm_change_state_entry {
     VMChangeStateHandler *cb;
     void *opaque;