Remove obsolete database-secret migration workflow

.github/workflows/migrate-basic-signup.yml

@@ -1,82 +0,0 @@
-name: Apply Caterium Basic Signup Migration
-
-on:
-  push:
-    branches: ["main"]
-    paths:
-      - ".github/workflows/migrate-basic-signup.yml"
-      - "ops/sql/SUPABASE-V17.9.1-PUBLIC-BASIC-SIGNUP.sql"
-      - "supabase/migrations/20260922102500_public_basic_signup.sql"
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-concurrency:
-  group: caterium-basic-signup-migration
-  cancel-in-progress: false
-
-jobs:
-  migrate:
-    runs-on: ubuntu-latest
-    timeout-minutes: 8
-    env:
-      SUPABASE_DB_URL: ${{ secrets.SUPABASE_DB_URL }}
-      DATABASE_URL: ${{ secrets.DATABASE_URL }}
-      CATERIUM_DB_URL: ${{ secrets.CATERIUM_DB_URL }}
-      SUPABASE_DB_PASSWORD: ${{ secrets.SUPABASE_DB_PASSWORD }}
-      SUPABASE_DATABASE_PASSWORD: ${{ secrets.SUPABASE_DATABASE_PASSWORD }}
-      CATERIUM_DB_PASSWORD: ${{ secrets.CATERIUM_DB_PASSWORD }}
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Select configured database connection
-        shell: bash
-        run: |
-          set -euo pipefail
-          if [ -n "${SUPABASE_DB_URL:-}" ]; then
-            echo "CATERIUM_PSQL_MODE=url" >> "$GITHUB_ENV"
-            echo "CATERIUM_DATABASE_URL=$SUPABASE_DB_URL" >> "$GITHUB_ENV"
-          elif [ -n "${CATERIUM_DB_URL:-}" ]; then
-            echo "CATERIUM_PSQL_MODE=url" >> "$GITHUB_ENV"
-            echo "CATERIUM_DATABASE_URL=$CATERIUM_DB_URL" >> "$GITHUB_ENV"
-          elif [ -n "${DATABASE_URL:-}" ]; then
-            echo "CATERIUM_PSQL_MODE=url" >> "$GITHUB_ENV"
-            echo "CATERIUM_DATABASE_URL=$DATABASE_URL" >> "$GITHUB_ENV"
-          else
-            password="${SUPABASE_DB_PASSWORD:-${SUPABASE_DATABASE_PASSWORD:-${CATERIUM_DB_PASSWORD:-}}}"
-            if [ -z "$password" ]; then
-              echo "::error::No supported Caterium/Supabase database secret is configured."
-              exit 2
-            fi
-            echo "CATERIUM_PSQL_MODE=password" >> "$GITHUB_ENV"
-            echo "PGHOST=db.usfjwhztqoopzzfmfbis.supabase.co" >> "$GITHUB_ENV"
-            echo "PGPORT=5432" >> "$GITHUB_ENV"
-            echo "PGDATABASE=postgres" >> "$GITHUB_ENV"
-            echo "PGUSER=postgres" >> "$GITHUB_ENV"
-            echo "PGPASSWORD=$password" >> "$GITHUB_ENV"
-            echo "PGSSLMODE=require" >> "$GITHUB_ENV"
-          fi
-
-      - name: Apply only v17.9.1 public Basic signup migration
-        shell: bash
-        run: |
-          set -euo pipefail
-          if [ "${CATERIUM_PSQL_MODE}" = "url" ]; then
-            psql "${CATERIUM_DATABASE_URL}" -v ON_ERROR_STOP=1 -f ops/sql/SUPABASE-V17.9.1-PUBLIC-BASIC-SIGNUP.sql
-          else
-            psql -v ON_ERROR_STOP=1 -f ops/sql/SUPABASE-V17.9.1-PUBLIC-BASIC-SIGNUP.sql
-          fi
-
-      - name: Verify server policy and workspace function
-        shell: bash
-        run: |
-          set -euo pipefail
-          query="select public.caterium_public_signup_policy(); select case when pg_get_functiondef('public.sun_create_workspace(text)'::regprocedure) like '%public_signup_basic%' and pg_get_functiondef('public.sun_create_workspace(text)'::regprocedure) like '%v_promo.plan_id%' then 'PASS' else 'FAIL' end;"
-          if [ "${CATERIUM_PSQL_MODE}" = "url" ]; then
-            result="$(psql "${CATERIUM_DATABASE_URL}" -v ON_ERROR_STOP=1 -Atc "$query")"
-          else
-            result="$(psql -v ON_ERROR_STOP=1 -Atc "$query")"
-          fi
-          printf '%s\n' "$result"
-          grep -q "PASS" <<<"$result"