Remove useless stub driver.

* There are already ways to mount disk images of various formats, no
need for this one which doesn't have anything implemented.

src/add-ons/kernel/drivers/disk/virtual/Jamfile

@@ -1,6 +1,5 @@
 SubDir HAIKU_TOP src add-ons kernel drivers disk virtual ;
 
-#SubInclude HAIKU_TOP src add-ons kernel drivers disk virtual fmap ;
 SubInclude HAIKU_TOP src add-ons kernel drivers disk virtual nbd ;
 SubInclude HAIKU_TOP src add-ons kernel drivers disk virtual ram_disk ;
 SubInclude HAIKU_TOP src add-ons kernel drivers disk virtual remote_disk ;

src/add-ons/kernel/drivers/disk/virtual/fmap/Jamfile

@@ -1,13 +0,0 @@
-SubDir HAIKU_TOP src add-ons kernel drivers disk virtual fmap ;
-
-SetSubDirSupportedPlatformsBeOSCompatible ;
-
-if $(TARGET_PLATFORM) != haiku {
-	# Needed for <ACPI.h>. Unfortunately we also get the other headers there,
-	# that we don't really want.
-	UsePublicHeaders drivers ;
-}
-
-KernelAddon fmap : kernel drivers bin :
-	fmap.c
-	;

src/add-ons/kernel/drivers/disk/virtual/fmap/fmap.c

@@ -1,62 +0,0 @@
-/*
- * Copyright 2006, François Revol. All rights reserved.
- * Distributed under the terms of the MIT License.
- */
-
-/*
-	fmap driver for Haiku
-
-	Maps BEOS/IMAGE.BE files as virtual partitions.
-*/
-
-#include <KernelExport.h>
-#include <Drivers.h>
-#include <Errors.h>
-
-#define MAX_FMAPS 4
-#define DEVNAME_FMT "disk/virtual/fmap/%2d"
-
-int32 api_version = B_CUR_DRIVER_API_VERSION;
-
-status_t
-init_hardware (void)
-{
-	return B_OK;
-}
-
-status_t
-init_driver (void)
-{
-	return B_OK;
-}
-
-void
-uninit_driver (void)
-{
-}
-
-static const char *fmap_name[MAX_FMAPS+1] = {
-	NULL
-};
-
-device_hooks fmap_hooks = {
-	NULL, /* open */
-	NULL, /* close */
-	NULL, /* free */
-	NULL, /* control */
-	NULL, /* read */
-	NULL, /* write */
-	NULL, NULL, NULL, NULL
-};
-
-const char**
-publish_devices()
-{
-	return fmap_name;
-}
-
-device_hooks*
-find_device(const char* name)
-{
-	return &fmap_hooks;
-}