FIX-1. Clean up .eslint

.eslintrc

@@ -1,29 +1,10 @@
 {
     "env": {
-        "es6": true,
         "browser": true,
-        "node": true
+        "mocha": true
     },
     "extends": "eslint-config-ffe",
-    "parserOptions": {
-        sourceType: "module",
-        "ecmaFeatures": {
-            "jsx": true
-        }
-    },
-    "plugins": [
-        "react",
-        "jsx-a11y"
-    ],
-
-    "globals": {
-        "describe": true,
-        "it": true
-    },
     "rules": {
-        "react/prefer-es6-class": 0,
-        "curly": 0,
         "no-script-url": 0,
-        "react/require-render-return": 0
     }
-}
+}