docs: remove ToC from README.md

It's rather distracting.

README.md

@@ -11,22 +11,6 @@ thousands of hours of their own time, and made the source code freely
 available under the [Apache 2.0
 license](https://github.com/SeleniumHQ/selenium/blob/master/COPYING).
 
-## Table of Contents
-- [Documentation](#documentation)
-- [Pull Requests](#pull-requests)
-- [Building](#building)
-  - [Buck](#buck)
-- [Requirements](#requirements)
-  - [Optional Requirements](#optional-requirements)
-  - [Internet Explorer Driver](#internet-explorer-driver)
-- [Common Tasks](#common-tasks)
-- [Tour](#tour)
-- [Maven POM files](#maven-pom-files)
-- [Build Output](#build-output)
-- [Help with *go*](#help-with-go)
-  - [Maven _per se_](#maven-_per-se_)
-  - [Useful Resources](#useful-resources)
-
 ## Documentation
 
 Narrative documentation: