Simplify the TOC.

Author: nedtwigg

plugin-gradle/README.md

@@ -74,11 +74,8 @@ Spotless supports all of Gradle's built-in performance features (incremental bui
   - [Gherkin](#gherkin)
   - Multiple languages
     - [Prettier](#prettier) ([plugins](#prettier-plugins), [npm detection](#npm-detection), [`.npmrc` detection](#npmrc-detection), [caching `npm install` results](#caching-results-of-npm-install))
-      - javascript, jsx, angular, vue, flow, typescript, css, less, scss, html, json, graphql, markdown, ymaml
     - [clang-format](#clang-format)
-      - c, c++, c#, objective-c, protobuf, javascript, java
     - [eclipse web tools platform](#eclipse-web-tools-platform)
-      - css, html, js, json, xml
     - [Biome](#biome) ([binary detection](#biome-binary), [config file](#biome-configuration-file), [input language](#biome-input-language))
 - **Language independent**
   - [Generic steps](#generic-steps)