Bug 1558517 - Pre 3.2: Disable conflicting eslint:recommended rules by extending eslint-config-prettier, r=standard8

Differential Revision: https://phabricator.services.mozilla.com/D34536

--HG--
extra : source : d380852a85aeaa9c94a073babfb238976a2a92d6
extra : intermediate-source : 895bba67b824070da27360a49578b938636d72f5

tools/lint/eslint/eslint-plugin-mozilla/lib/configs/recommended.js

@@ -16,6 +16,7 @@ module.exports = {
 
   "extends": [
     "eslint:recommended",
+    "plugin:prettier/recommended",
   ],
 
   "globals": {
@@ -82,7 +83,6 @@ module.exports = {
     "html",
     "fetch-options",
     "no-unsanitized",
-    "prettier",
   ],
 
   // When adding items to this file please check for effects on all of toolkit
@@ -266,9 +266,6 @@ module.exports = {
     // Require object-literal shorthand with ES6 method syntax
     "object-shorthand": ["error", "always", { "avoidQuotes": true }],
 
-    // Formatting.
-    "prettier/prettier": "error",
-
     // XXX Bug 1487642 - decide if we want to enable this or not.
     // Require generator functions to contain yield
     "require-yield": "off",