revert(db): remove draft cascade-constraint patch blocking deploy (#2993)

.deploy/mta.yaml

@@ -51,9 +51,6 @@ build-parameters:
         - bash -c "cd .. && npm run prebuild:parsers-bundle"
         - bash -c "cd .. && node scripts/bundle-shared.cjs && npx cds build --production"
         - bash -c "cd .. && node -e 'for (const p of [\"gen/db/src/gen/.hdiconfig\",\"gen/db-qa/src/gen/.hdiconfig\"]) { const fs=require(\"fs\"); const d=JSON.parse(fs.readFileSync(p,\"utf8\")); d.file_suffixes=d.file_suffixes||{}; d.file_suffixes.hdbprocedure={plugin_name:\"com.sap.hana.di.procedure\"}; fs.writeFileSync(p, JSON.stringify(d,null,2)+\"\\n\"); }'"
-        # Patch prod draft tables with ON DELETE CASCADE FK (#2993). Prod tree only —
-        # gen/db-qa emits no draft tables so it is intentionally not patched.
-        - bash -c "cd .. && node scripts/patch-draft-cascade-constraints.cjs gen/db/src/gen"
         - bash -c "rm -f ../gen/db-qa/src/gen/sap.changelog.*.hdbindex"
         # Build app/explore + emit the bundle manifest into hugo/data/.
         # Hugo reads site.Data.explore_bundle at template-render time