Removes unused np dependency

Author: bkrem

package.json

@@ -95,7 +95,6 @@
     "jest": "^22.1.3",
     "jsdoc-to-markdown": "^3.0.0",
     "lint-staged": "^6.0.0",
-    "np": "^2.20.0",
     "postcss-loader": "^3.0.0",
     "prettier": "^1.6.1",
     "react": "^16.6.3",