Update docs/.eslintrc.json

docs/.eslintrc.json

@@ -1,17 +1,12 @@
 {
   "env": {
-    "es6": false,
     "browser": true,
     "node": false
   },
   "parserOptions": {
-    "ecmaVersion": 6,
     "sourceType": "script"
   },
   "extends": [
     "../.eslintrc.json"
-  ],
-  "rules": {
-    "prefer-template": "off"
-  }
+  ]
 }