refactor(forms): enable approved Form A placements by default

www/.env.example

@@ -2,19 +2,10 @@ PUBLIC_AIA_API_BASE=https://api.azinstitute4autism.com
 PUBLIC_COUNTERS_MODE=off
 PUBLIC_COUNTERS_LIVE_APPROVED=false
 PUBLIC_COUNTERS_MOCK_RESULT=success
-PUBLIC_AIA_FORMS_MODE=off
-PUBLIC_AIA_FORMS_LIVE_APPROVED=false
+# Optional override only: absent/empty means live on exactly 16 approved routes.
+# PUBLIC_AIA_FORMS_MODE=off
+# PUBLIC_AIA_FORMS_MODE=mock
 PUBLIC_AIA_FORMS_MOCK_RESULT=success
-# Isolated-test Form A requires this environment role and approval; it remains
-# unavailable in indexing-enabled builds even when both are set.
-PUBLIC_AIA_FORMS_ENVIRONMENT=local
-PUBLIC_AIA_FORMS_ISOLATED_TEST_APPROVED=false
-# Separately authorizes the nine Form A consultation placements in an
-# isolated-test build only. It has no effect on production eligibility.
-PUBLIC_AIA_FORMS_CONSULTATION_TEST_APPROVED=false
-# Form A production additionally requires mode=live, LIVE_APPROVED=true and
-# environment=production. PUBLIC_ALLOW_INDEXING never authorizes a form.
-PUBLIC_AIA_FORM_A_PRODUCTION_APPROVED=false
 # Explicit, local-only Form A meeting preview; requires PUBLIC_AIA_FORMS_MODE=mock.
 PUBLIC_AIA_FORM_A_PREVIEW=false
 PUBLIC_ALLOW_INDEXING=false