Remove unneeded dep

Author: mjackson

package.json

@@ -40,7 +40,6 @@
     "eslint-plugin-import": "^2.0.0",
     "eslint-plugin-jest": "^20.0.3",
     "eslint-plugin-react": "^6.1.2",
-    "expect": "^1.20.1",
     "gzip-size": "^3.0.0",
     "in-publish": "^2.0.0",
     "jest": "^20.0.4",