hw/arm/bcm2836: Remove unusued struct 'BCM283XClass'

This struct has been unused since
Commit f932093ae165 ("hw/arm/bcm2836: Split out common part of BCM283X
classes")

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/arm/bcm2836.c

@@ -18,18 +18,6 @@
 #include "target/arm/cpu-qom.h"
 #include "target/arm/gtimer.h"
 
-struct BCM283XClass {
-    /*< private >*/
-    DeviceClass parent_class;
-    /*< public >*/
-    const char *name;
-    const char *cpu_type;
-    unsigned core_count;
-    hwaddr peri_base; /* Peripheral base address seen by the CPU */
-    hwaddr ctrl_base; /* Interrupt controller and mailboxes etc. */
-    int clusterid;
-};
-
 static Property bcm2836_enabled_cores_property =
     DEFINE_PROP_UINT32("enabled-cpus", BCM283XBaseState, enabled_cpus, 0);