Declutter by removing content obsolete to me

README.md

@@ -48,23 +48,14 @@ by [**MorganGeek**](https://morgan.zoemp.be/)
     * [Ansible Vault](sections/devops.md#ansible-vault)
   * [Argo CD](sections/devops.md#argo-cd)
   * [AWS](sections/devops.md#aws)
-  * [Bitbucket](sections/devops.md#bitbucket)
-  * [ChatOps](sections/devops.md#chatops)
   * [Containers](sections/devops.md#containers)
   * [Kubernetes](sections/devops.md#kubernetes)
   * [Microservices](sections/devops.md#microservices)
-  * [Maven](sections/devops.md#maven)
-  * [Nexus](sections/devops.md#nexus)
   * [OpenShift](sections/devops.md#openshift)
-  * [Packer](sections/devops.md#packer)
   * [SecOps](sections/devops.md#secops)
   * [Site Reliability Engineering](sections/devops.md#site-reliability-engineering)
-  * [Tekton](sections/devops.md#tekton)
   * [Terraform](sections/devops.md#terraform)
-  * [Travis CI](sections/devops.md#travis-ci)
-  * [Vagrant](sections/devops.md#vagrant)
   * [Vault (by HashiCorp)](sections/devops.md#vault-by-hashicorp)
-  * [VirtualBox](sections/devops.md#virtualbox)
 * [Digital marketing](#digital-marketing)
 * [Ecology :seedling:](#ecology-seedling)
 * [Finding content :mag:](#finding-content-mag)
@@ -99,7 +90,6 @@ by [**MorganGeek**](https://morgan.zoemp.be/)
 * [Nix](#nix)
 * [Operations / IT OPS](#operations--it-ops)
   * [Apache](#apache)
-  * [Atlassian](#atlassian)
   * [Infrastructure](#infrastructure)
   * [Logging](#logging)
   * [Monitoring](#monitoring)
@@ -141,8 +131,6 @@ by [**MorganGeek**](https://morgan.zoemp.be/)
   * [Java](sections/programming.md#java)
     * [Java EE](sections/programming.md#java-ee)
   * [JavaScript](sections/programming.md#javascript)
-  * [Kafka](sections/programming.md#kafka)
-  * [Kotlin](sections/programming.md#kotlin)
   * [Lisp](sections/programming.md#lisp)
   * [Machine learning](sections/programming.md#machine-learning)
   * [Mobile development :iphone:](sections/programming.md#mobile-development-iphone)