Remove superfluous xo rules

wooorm · wooorm · commit a03af99f9893 · 2019-05-21T13:43:06.000+02:00
diff --git a/package.json b/package.json
@@ -67,11 +67,6 @@
   "xo": {
     "prettier": true,
     "esnext": false,
-    "rules": {
-      "guard-for-in": "off",
-      "no-var": "off",
-      "prefer-arrow-callback": "off"
-    },
     "ignores": [
       "unist-util-visit.js"
     ]
