Bug 1528296 - remove eslint empty file requirements for old panels; r…

…=vporof

Differential Revision: https://phabricator.services.mozilla.com/D22494

--HG--
extra : moz-landing-system : lando

devtools/.eslintrc.js

@@ -105,22 +105,6 @@ module.exports = {
     "rules": {
       "strict": "off",
     }
-  }, {
-    "files": [
-    ],
-    "rules": {
-      "consistent-return": "off",
-      "max-len": "off",
-      "mozilla/no-aArgs": "off",
-      "mozilla/var-only-at-top-level": "off",
-      "no-redeclare": "off",
-      "no-return-assign": "off",
-      "no-shadow": "off",
-      "no-undef": "off",
-      "no-unused-vars": "off",
-      "no-useless-call": "off",
-      "strict": "off",
-    }
   }, {
     // For all head*.js files, turn off no-unused-vars at a global level
     "files": [