Fixing lint errors.

Author: jessebeach

src/index.js

@@ -106,7 +106,7 @@ module.exports = {
           {
             tags: [],
             roles: ['tabpanel'],
-          }
+          },
         ],
         'jsx-a11y/no-onchange': 'error',
         'jsx-a11y/no-redundant-roles': 'error',

src/rules/no-noninteractive-tabindex.js

@@ -15,7 +15,6 @@ import {
   elementType,
   getProp,
   getLiteralPropValue,
-  propName,
 } from 'jsx-ast-utils';
 import isInteractiveElement from '../util/isInteractiveElement';
 import isInteractiveRole from '../util/isInteractiveRole';