LU-228 kernel: remove more unused kernel patches

LU-228 kernel: remove more unused kernel patches

The filterdata patches have been unused and unnecessary for some
time already.  The jbd-slab-race and include-fixes patches were
merged into the upstream kernel and back-ported into RHEL5.

Change-Id: I01851a60ecf453f6eb5dbfc4f573444f4f220861
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-on: http://review.whamcloud.com/962
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>