LU-19065 osc: remove extra linefeed from debug

LU-19065 osc: remove extra linefeed from debug

OSC_DUMP_GRANT() has own trailing linefeed, so the callers
shouldn't pass extra n in their messages.

Test-Parameters: trivial
Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: Ifc5f01c3d79dcbd2619c1bcba9305c635006e8d9
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/59458
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>