hmp: Clean up declarations for long-gone info handlers

Leftovers from
d1f29646 qapi: Convert query-spice
791e7c82 qapi: Convert query-migrate
0fe6a7f2 slirp: Drop statistic code
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

include/migration/migration.h

@@ -71,10 +71,6 @@ void qemu_start_incoming_migration(const char *uri, Error **errp);
 
 uint64_t migrate_max_downtime(void);
 
-void do_info_migrate_print(Monitor *mon, const QObject *data);
-
-void do_info_migrate(Monitor *mon, QObject **ret_data);
-
 void exec_start_incoming_migration(const char *host_port, Error **errp);
 
 void exec_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp);

include/sysemu/sysemu.h

@@ -90,9 +90,6 @@ void qemu_savevm_state_cancel(void);
 uint64_t qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size);
 int qemu_loadvm_state(QEMUFile *f);
 
-/* SLIRP */
-void do_info_slirp(Monitor *mon);
-
 typedef enum DisplayType
 {
     DT_DEFAULT,

include/ui/qemu-spice.h

@@ -45,9 +45,6 @@ int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
                             const char *subject,
                             MonitorCompletion cb, void *opaque);
 
-void do_info_spice_print(Monitor *mon, const QObject *data);
-void do_info_spice(Monitor *mon, QObject **ret_data);
-
 CharDriverState *qemu_chr_open_spice_vmc(const char *type);
 #if SPICE_SERVER_VERSION >= 0x000c02
 CharDriverState *qemu_chr_open_spice_port(const char *name);