remove superfuous eslintConfig

package.json

@@ -52,10 +52,5 @@
     "webpack-cli": "^3.3.11",
     "webpack-dev-server": "^3.10.3",
     "webpack-merge": "^4.2.2"
-  },
-  "eslintConfig": {
-    "rules": {
-      "semi": 0
-    }
   }
 }