Remove 'version' from error message

Author: lpetrora

src/backend/rest.ts

@@ -229,7 +229,7 @@ export default class RestApiBackend implements Backend {
       // but we may have a more detailed error message
       if (error.status === 404) {
         throw new Error(
-          'REST API endpoint returned 404 (not found) error. Choose correct Checkmk edition and version in data source settings and make sure URL is correct.'
+          'REST API endpoint returned 404 (not found) error. Choose correct Checkmk edition in data source settings and make sure URL is correct.'
         );
       }