LU-16489 tests: disable lustre_rsync 2c test

LU-16489 tests: disable lustre_rsync 2c test

In normal maloo testing we see lustre_rsync 2c test one in a
while fails but for Oleg's rocky8 setup it fails constantly.
For now disable the test until its resolved.

Test-Parameters: trivial testlist=lustre-rsync-test
Change-Id: Icd824c9d56f53629989b1cee51a86c57a452e410
Signed-off-by: James Simmons <jsimmons@infradead.org>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/58794
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>