chore: retire legacy rectification runtime

deploy/run-staging-deploy.sh

@@ -169,7 +169,7 @@ rollback() {
     API_IMAGE="$previous_api_target" WEB_IMAGE="$previous_web_target" \
       GITHUB_SHA="$current_sha" \
       "${compose[@]}" up -d --no-build --remove-orphans \
-        api web rectification-v4-worker caddy || true
+        api web caddy || true
   fi
   exit "$status"
 }
@@ -193,7 +193,6 @@ verify_container_image() {
 }
 verify_container_image api "$API_IMAGE"
 verify_container_image web "$WEB_IMAGE"
-verify_container_image rectification-v4-worker "$WEB_IMAGE"
 
 "${compose[@]}" exec -T \
   -e EXPECTED_SHA="$DEPLOY_SHA" -e STAGING_URL="$STAGING_URL" \