LU-17277 build: Distribute lutf.sh unconditionally

LU-17277 build: Distribute lutf.sh unconditionally

Do not exclude lutf.sh when building the src.rpm regardless
of the build host suitability to run lutf.sh tests.

HPE-bug-id: LUS-11975
Test-Parameters: trivial
Fixes: ba1fa08a0fd ("LU-10973 lnet: LUTF Python infra")
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: I3beeabbae9f1435a002656bfd27d49a02c3bee27
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/53050
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Petros Koutoupis <petros.koutoupis@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>