disas: Remove unused flags arguments

Now that every target is using the disas_set_info hook,
the flags argument is unused.  Remove it.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/monitor.c b/monitor.c
index 2164dfc..7a802a3 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1309,8 +1309,7 @@
     }
 
     if (format == 'i') {
-        int flags = 0;
-        monitor_disas(mon, cs, addr, count, is_physical, flags);
+        monitor_disas(mon, cs, addr, count, is_physical);
         return;
     }