Remove type field in ModuleEntry as it's not used

Signed-off-by: Chen Yufei <cyfdecyf@gmail.com>
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

module.c

@@ -19,7 +19,6 @@
 
 typedef struct ModuleEntry
 {
-    module_init_type type;
     void (*init)(void);
     QTAILQ_ENTRY(ModuleEntry) node;
 } ModuleEntry;