Merge branch '434364_remove_store_object_format_ff' into 'master'

Remove feature flag "store_object_format"

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144628



Merged-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Approved-by: Joe Woodward <jwoodward@gitlab.com>
Approved-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Co-authored-by: Vasilii Iakliushin <viakliushin@gitlab.com>