docs: Update README.md (#2751)

Update README to remove Argoproj level content to make the README specific to Argo Workflows.

README.md

@@ -2,27 +2,6 @@
 [![CircleCI](https://circleci.com/gh/argoproj/argo.svg?style=svg)](https://circleci.com/gh/argoproj/argo)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=argoproj_argo&metric=alert_status)](https://sonarcloud.io/dashboard?id=argoproj_argo)
 
-# Argoproj - Get stuff done with Kubernetes
-
-![Argo Image](docs/assets/argo.png)
-
-## Quickstart
-```bash
-kubectl create namespace argo
-kubectl apply -n argo -f https://raw.githubusercontent.com/argoproj/argo/stable/manifests/install.yaml
-```
-
-## What is Argoproj?
-
-Argoproj is a collection of tools for getting work done with Kubernetes.
-* [Argo Workflows](https://github.com/argoproj/argo) - Container-native Workflow Engine
-* [Argo CD](https://github.com/argoproj/argo-cd) - Declarative GitOps Continuous Delivery
-* [Argo Events](https://github.com/argoproj/argo-events) - Event-based Dependency Manager
-* [Argo Rollouts](https://github.com/argoproj/argo-rollouts) - Progressive Delivery with support for Canary and Blue Green deployment strategies
-
-Also argoproj-labs is a separate GitHub org that we setup for community contributions related to the Argoproj ecosystem. Repos in argoproj-labs are administered by the owners of each project. Please reach out to us on the Argo slack channel if you have a project that you would like to add to the org to make it easier to others in the Argo community to find, use, and contribute back.
-* https://github.com/argoproj-labs
-
 ## What is Argo Workflows?
 Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Argo Workflows is implemented as a Kubernetes CRD (Custom Resource Definition).
 
@@ -37,6 +16,12 @@ Argo Workflows is an open source container-native workflow engine for orchestrat
 * Easily orchestrate highly parallel jobs on Kubernetes.
 * Argo Workflows puts a cloud-scale supercomputer at your fingertips!
 
+## Quickstart
+```bash
+kubectl create namespace argo
+kubectl apply -n argo -f https://raw.githubusercontent.com/argoproj/argo/stable/manifests/install.yaml
+```
+
 ## Who uses Argo Workflows?
 [Official Argo Workflows user list](USERS.md)