tidb-in-kubernetes: delete all content about DinD (#1656)

dev/TOC.md

@@ -356,7 +356,6 @@
   - [About TiDB Operator](/dev/tidb-in-kubernetes/tidb-operator-overview.md)
   + Get Started
     - [kind](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-kind.md)
-    - [DinD](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-dind.md)
     - [GKE](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-gke.md)
     - [Minikube](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-minikube.md)
   + Deploy

dev/_index.md

@@ -25,7 +25,7 @@ TiDB can be deployed on-premise or in-cloud. The following deployment options ar
 
     Or deploy TiDB locally using:
 
-    - [DinD (Docker in Docker)](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-dind.md)
+    - [kind](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-kind.md)
     - [Minikube](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-minikube.md)
 
 - [Binary Tarball Deployment](/dev/how-to/deploy/from-tarball/production-environment.md): This guide describes how to deploy TiDB from a binary tarball in production. Guides for [development](/dev/how-to/get-started/deploy-tidb-from-binary.md) and [testing](/dev/how-to/deploy/from-tarball/testing-environment.md) environments are also available.

dev/overview.md

@@ -25,7 +25,7 @@ TiDB can be deployed on-premise or in-cloud. The following deployment options ar
 
     Or deploy TiDB locally using:
 
-    - [DinD (Docker in Docker)](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-dind.md)
+    - [kind](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-kind.md)
     - [Minikube](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-minikube.md)
 
 - [Binary Tarball Deployment](/dev/how-to/deploy/from-tarball/production-environment.md): This guide describes how to deploy TiDB from a binary tarball in production. Guides for [development](/dev/how-to/get-started/deploy-tidb-from-binary.md) and [testing](/dev/how-to/deploy/from-tarball/testing-environment.md) environments are also available.

dev/tidb-in-kubernetes/deploy/tidb-operator.md

@@ -28,7 +28,7 @@ Before deploying TiDB Operator, make sure the following items are installed on y
 
 TiDB Operator runs in Kubernetes cluster. You can refer to [the document of how to set up Kubernetes](https://kubernetes.io/docs/setup/) to set up a Kubernetes cluster. Make sure that the Kubernetes version is v1.12 or higher. If you are using AWS, GKE or local machines, here are quick-start tutorials:
 
-* [Local DinD tutorial](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-dind.md)
+* [kind tutorial](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-kind.md)
 * [Google GKE tutorial](/dev/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-gke.md)
 * [AWS EKS tutorial](/dev/tidb-in-kubernetes/deploy/aws-eks.md)