[S390] hypfs: remove useless variable qname

Local variable 'qname' in the function hypfs_create_file() really is not
used for any purpose.

Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Cc: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>