[S390] remove tape block docu

After git commit 66ceed5ad1 removed
the tape block device driver, remove its documentation as well.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2011-07-24 10:48:26 +02:00
commit 9e280f6693