[eslint config] [base] revert breaking part of #1420

I’ll re-enable it in the next major.

packages/eslint-config-airbnb-base/rules/variables.js

@@ -16,7 +16,8 @@ module.exports = {
     'no-label-var': 'error',
 
     // disallow specific globals
-    'no-restricted-globals': ['error'].concat(restrictedGlobals),
+    // TODO: enable, semver-major
+    'no-restricted-globals': ['off'].concat(restrictedGlobals),
 
     // disallow declaration of variables already declared in the outer scope
     'no-shadow': 'error',