Investigate: Retire BAR filing requirements and dependencies

[vikas-gov]

Objective
Reviewing the criteria and confirm requirements to be able to successfully decommission BAR

Acceptance Criteria:

BAR filing is no longer available to end users;
AR filing is unaffected and works as expected;
Data created via BAR filing is retained (user accounts in BR, ARs in the legacy)
Existing integrations that rely on historical data continue to function;
API users - documentation updates?
User are redirected in case they end up in the wrong app/page

Outcome: Implementation or actionable ticket attached to the parent EPIC #31812

[vysakh-menon-aot]

Steps to retire BAR (tickets created in the parent epic):

• Disable business-ar-reminder and bar-business-sync-prod job
• Update SEND_AR_IND flag in CPRD for those businesses being sent through BAR
  • Get the companies received BAR emails (SELECT concat('''', string_agg(distinct LTRIM(identifier, 'BC'), ''', '''), '''') FROM "public"."business" b join "public"."ar_reminders" a on a.business_id = b.id)
• Shutdown UI and API with an info page/redirection to colin
• Disable bar-paid-filings-job-prod jobs
• Disable CI/CD in github repo