accel: Remove unused AccelClass::available field

The field is not used anymore, we can remove it.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190422210448.2488-4-ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> [on mingw64]
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

accel/accel.c

@@ -107,11 +107,6 @@ void configure_accelerator(MachineState *ms, const char *progname)
         if (!acc) {
             continue;
         }
-        if (acc->available && !acc->available()) {
-            printf("%s not supported for this target\n",
-                   acc->name);
-            continue;
-        }
         ret = accel_init_machine(acc, ms);
         if (ret < 0) {
             init_failed = true;

include/sysemu/accel.h

@@ -38,7 +38,6 @@ typedef struct AccelClass {
 
     const char *opt_name;
     const char *name;
-    int (*available)(void);
     int (*init_machine)(MachineState *ms);
     void (*setup_post)(MachineState *ms, AccelState *accel);
     bool *allowed;