Merge branch '452216-remove-unnecessary-feature-spec-duo-trial-alert' into 'master'

Remove unnecessary feature specs for Duo Pro Trial Alert

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150142



Merged-by: Patrick Cyiza <jpcyiza@gitlab.com>
Approved-by: Paul Slaughter <pslaughter@gitlab.com>
Approved-by: Patrick Cyiza <jpcyiza@gitlab.com>
Co-authored-by: rliu-gl <rliu@gitlab.com>