LU-15069 llite: Rename 'skip' label

LU-15069 llite: Rename 'skip' label

There's a goto label in ras_update named just "skip".
Skip what?  This is extra confusing because the concept of
"skip index" is used in neighboring code, and this is
unrelated.

Give it a more descriptive name.

Test-Parameters: trivial
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I1e6ec7a75b6d9a296bfdea4c70a333497d804564
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/45653
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>