LU-4951 scripts: remove nodemap.ko in dkms.conf

LU-4951 scripts: remove nodemap.ko in dkms.conf

This new/2nd patch for a similar cause (new/removed Lustre module)
fixes dkms.conf creation script to comply with nodemap.ko removal
that has been introduced by LU-4647 patch (Gerrit change #9299, at
http://review.whamcloud.com/9299, Commit
83f04354ff68a14d7492e35a9576c91492a1206c) that has landed in
master (between tags 2.6.54 and 2.6.90).

Signed-off-by: Bruno Faccini <bruno.faccini@intel.com>
Change-Id: I9d0eb4dd3da31c46d7eda54e0ced998edb837741
Reviewed-on: http://review.whamcloud.com/12784
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>