Remove CHANGELOG and add rollout issue

changelogs/unreleased/sh-fix-live-trace-for-fog-azure.yml

----
-title: Fix cloud native job logs not finalizing with Azure
-merge_request: 46209
-author:
-type: fixed

config/feature_flags/development/ci_trace_new_fog_store.yml

 ---
 name: ci_trace_new_fog_store
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/46209
-rollout_issue_url: 
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/273405
 type: development
 group: group::testing
 default_enabled: false