monitor: remove 'info ioapic' HMP command

This command was turned into a no-op four years ago in

  commit 0c8465440d50c18a7bb13d0a866748f0593e193a
  Author: Peter Xu <peterx@redhat.com>
  Date:   Fri Dec 29 15:31:04 2017 +0800

    hmp: obsolete "info ioapic"

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

hmp-commands-info.hx

@@ -127,21 +127,6 @@ SRST
     Show local APIC state
 ERST
 
-#if defined(TARGET_I386)
-    {
-        .name       = "ioapic",
-        .args_type  = "",
-        .params     = "",
-        .help       = "show io apic state",
-        .cmd        = hmp_info_io_apic,
-    },
-#endif
-
-SRST
-  ``info ioapic``
-    Show io APIC state
-ERST
-
     {
         .name       = "cpus",
         .args_type  = "",

include/monitor/hmp-target.h

@@ -48,7 +48,6 @@ void hmp_info_mem(Monitor *mon, const QDict *qdict);
 void hmp_info_tlb(Monitor *mon, const QDict *qdict);
 void hmp_mce(Monitor *mon, const QDict *qdict);
 void hmp_info_local_apic(Monitor *mon, const QDict *qdict);
-void hmp_info_io_apic(Monitor *mon, const QDict *qdict);
 void hmp_info_sev(Monitor *mon, const QDict *qdict);
 void hmp_info_sgx(Monitor *mon, const QDict *qdict);
 

target/i386/monitor.c

@@ -667,9 +667,3 @@ void hmp_info_local_apic(Monitor *mon, const QDict *qdict)
     }
     x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU);
 }
-
-void hmp_info_io_apic(Monitor *mon, const QDict *qdict)
-{
-    monitor_printf(mon, "This command is obsolete and will be "
-                   "removed soon. Please use 'info pic' instead.\n");
-}