fix: remove unused dependency

Author: ethanneff

package.json

@@ -34,7 +34,6 @@
     "eslint-config-prettier": "^6.1.0",
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-react-hooks": "^2.0.1",
-    "jest": "24.8.0",
     "metro-react-native-babel-preset": "0.56.0",
     "react-test-renderer": "16.9.0",
     "typescript": "3.5.3"