qemu-char: convert vc backend to data-driven creation

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

stubs/Makefile.objs

@@ -27,7 +27,6 @@ stub-obj-y += set-fd-handler.o
 stub-obj-y += slirp.o
 stub-obj-y += sysbus.o
 stub-obj-y += uuid.o
-stub-obj-y += vc-init.o
 stub-obj-y += vm-stop.o
 stub-obj-y += vmstate.o
 stub-obj-$(CONFIG_WIN32) += fd-register.o

stubs/vc-init.c

@@ -1,7 +0,0 @@
-#include "qemu-common.h"
-#include "sysemu/char.h"
-
-CharDriverState *vc_init(ChardevVC *vc)
-{
-    return 0;
-}