Merge branch '418879-remove-unnecessary-rubocop-disabling' into 'master'

Remove unnecessary rubocop line length disable in batched generator

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144680



Merged-by: Bojan Marjanovic <bmarjanovic@gitlab.com>
Approved-by: Bojan Marjanovic <bmarjanovic@gitlab.com>
Reviewed-by: Tianwen Chen <tchen@gitlab.com>
Co-authored-by: Doug Stull <dstull@gitlab.com>