chore: fix badge [skip ci]

Author: tripodsan

README.md

@@ -7,7 +7,6 @@
 ![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/adobe/remark-gridtables/main.yaml)
 [![GitHub license](https://img.shields.io/github/license/adobe/remark-gridtables.svg)](https://github.com/adobe/remark-gridtables/blob/master/LICENSE.txt)
 [![GitHub issues](https://img.shields.io/github/issues/adobe/remark-gridtables.svg)](https://github.com/adobe/remark-gridtables/issues)
-[![LGTM Code Quality Grade: JavaScript](https://img.shields.io/lgtm/grade/javascript/g/adobe/remark-gridtables.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/adobe/remark-gridtables)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 
 ## What is this?