Update README.md

Author: mathieubellon

README.md

@@ -7,9 +7,6 @@
   - [Description](#description)
     - [Features](#features)
   - [Getting started](#getting-started)
-    - [Requirements](#requirements)
-    - [Installation](#installation)
-    - [Configuration](#configuration)
     - [Scan for secrets](#scan-for-secrets)
     - [How to remediate incidents?](#how-to-remediate-incidents)
     - [Ignore secrets (only when working in a workspace)](#ignore-secrets-only-when-working-in-a-workspace)