Merge pull request #12662 from hashicorp/ds.ie11-warning

website: display warning in IE 11

Author: dstaley

website/pages/_document.js

@@ -19,7 +19,7 @@ export default class MyDocument extends Document {
           <script
             noModule
             dangerouslySetInnerHTML={{
-              __html: `window.MSInputMethodContext && document.documentMode && document.write('<script src="/ie-custom-properties.js"><\\x2fscript>');`,
+              __html: `window.MSInputMethodContext && document.documentMode && document.write('<script src="/ie-warning.js"><\\x2fscript>');`,
             }}
           />
         </body>