memory: remove memory_region_destructor_rom_device

It is equivalent to memory_region_destructor_ram, use that one.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

memory.c

@@ -944,11 +944,6 @@ static void memory_region_destructor_ram(MemoryRegion *mr)
     qemu_ram_free(mr->ram_block);
 }
 
-static void memory_region_destructor_rom_device(MemoryRegion *mr)
-{
-    qemu_ram_free(mr->ram_block);
-}
-
 static bool memory_region_need_escape(char c)
 {
     return c == '/' || c == '[' || c == '\\' || c == ']';
@@ -1405,7 +1400,7 @@ void memory_region_init_rom_device(MemoryRegion *mr,
     mr->opaque = opaque;
     mr->terminates = true;
     mr->rom_device = true;
-    mr->destructor = memory_region_destructor_rom_device;
+    mr->destructor = memory_region_destructor_ram;
     mr->ram_block = qemu_ram_alloc(size, mr, errp);
 }