LU-2800 autoconf: remove LC_PROCFS_DELETED

LU-2800 autoconf: remove LC_PROCFS_DELETED

The procfs deleted member in the procfs entry struct
has been removed since kernel version 2.6.27. We can
removed this test since it is no longer needed.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
Change-Id: I1dbf8cabfa85d31ea5f1386710dfcb7012946b91
Reviewed-on: http://review.whamcloud.com/5374
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>