remove unused ES3-specific packages - refs facebook#12716

package.json

@@ -31,8 +31,6 @@
     "babel-plugin-transform-es2015-shorthand-properties": "^6.5.0",
     "babel-plugin-transform-es2015-spread": "^6.5.2",
     "babel-plugin-transform-es2015-template-literals": "^6.5.2",
-    "babel-plugin-transform-es3-member-expression-literals": "^6.5.0",
-    "babel-plugin-transform-es3-property-literals": "^6.5.0",
     "babel-plugin-transform-object-rest-spread": "^6.6.5",
     "babel-plugin-transform-react-jsx-source": "^6.8.0",
     "babel-plugin-transform-regenerator": "^6.26.0",
@@ -112,16 +110,3 @@
     "linc": "node ./scripts/tasks/linc.js",
     "lint": "node ./scripts/tasks/eslint.js",
     "lint-build": "node ./scripts/rollup/validate/index.js",
-    "postinstall": "node node_modules/fbjs-scripts/node/check-dev-engines.js package.json",
-    "debug-test": "cross-env NODE_ENV=development node --inspect-brk node_modules/.bin/jest --config ./scripts/jest/config.source.js --runInBand",
-    "test": "cross-env NODE_ENV=development jest --config ./scripts/jest/config.source.js",
-    "test-prod": "cross-env NODE_ENV=production jest --config ./scripts/jest/config.source.js",
-    "test-prod-build": "yarn test-build-prod",
-    "test-build": "cross-env NODE_ENV=development jest --config ./scripts/jest/config.build.js",
-    "test-build-prod": "cross-env NODE_ENV=production jest --config ./scripts/jest/config.build.js",
-    "flow": "node ./scripts/tasks/flow.js",
-    "prettier": "node ./scripts/prettier/index.js write-changed",
-    "prettier-all": "node ./scripts/prettier/index.js write",
-    "version-check": "node ./scripts/tasks/version-check.js"
-  }
-}