feat(config): reenable jsx-a11y label rules

BREAKING CHANGE: we’ve re-enabled label-related rules from jsx-a11y. They seem to be more reliable than they have been in the past.

Author: thibaudcolas

src/__snapshots__/base.test.js.snap

@@ -44,12 +44,6 @@ Object {
         "optionalDependencies": false,
       },
     ],
-    "jsx-a11y/label-has-associated-control": Array [
-      0,
-    ],
-    "jsx-a11y/label-has-for": Array [
-      0,
-    ],
     "no-param-reassign": Array [
       2,
       Object {

src/__snapshots__/semver.test.js.snap

@@ -354,7 +354,7 @@ Object {
       "error",
     ],
     "@thibaudcolas/cookbook/jsx-a11y/label-has-associated-control": Array [
-      0,
+      "error",
       Object {
         "assert": "both",
         "controlComponents": Array [],
@@ -364,7 +364,7 @@ Object {
       },
     ],
     "@thibaudcolas/cookbook/jsx-a11y/label-has-for": Array [
-      0,
+      "off",
       Object {
         "allowChildren": false,
         "components": Array [],

src/base.js

@@ -43,10 +43,6 @@ const REACT = {
 };
 
 const LEGACY = {
-  // Does not work at the moment for nested fields.
-  // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/label-has-for.md
-  "jsx-a11y/label-has-for": [0],
-  "jsx-a11y/label-has-associated-control": [0],
   // Do not enforce reassignment to properties of object parameters.
   "no-param-reassign": [2, { props: false }],
   // Only forbid "any" proptype, no other.