revert

Author: Feiyang1

packages/firestore/package.json

@@ -44,6 +44,7 @@
     "test:node:persistence:prod": "node ./scripts/run-tests.js --main=index.node.ts --persistence 'test/{,!(browser)/**/}*.test.ts'",
     "test:travis": "ts-node --compiler-options='{\"module\":\"commonjs\"}' ../../scripts/emulator-testing/firestore-test-runner.ts",
     "test:minified": "(cd ../../integration/firestore ; yarn test)",
+    "prepare": "yarn build:release",
     "api-report": "api-extractor run --local --verbose",
     "predoc": "node ../../scripts/exp/remove-exp.js temp",
     "doc": "api-documenter markdown --input temp --output docs"
@@ -108,4 +109,4 @@
     ],
     "reportDir": "./coverage/node"
   }
-}
+}