Replace redirect links of install kubectl

/docs/tasks/tools/install-kubectl/ is redirected to
/docs/tasks/tools/
This commit replace the redirect links for installing kubectl
with direct links.

content/en/docs/tasks/manage-kubernetes-objects/declarative-config.md

@@ -16,7 +16,7 @@ preview of what changes `apply` will make.
 ## {{% heading "prerequisites" %}}
 
 
-Install [`kubectl`](/docs/tasks/tools/install-kubectl/).
+Install [`kubectl`](/docs/tasks/tools/).
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
 

content/en/docs/tasks/manage-kubernetes-objects/imperative-command.md

@@ -12,7 +12,7 @@ explains how those commands are organized and how to use them to manage live obj
 
 ## {{% heading "prerequisites" %}}
 
-Install [`kubectl`](/docs/tasks/tools/install-kubectl/).
+Install [`kubectl`](/docs/tasks/tools/).
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
 

content/en/docs/tasks/manage-kubernetes-objects/imperative-config.md

@@ -13,7 +13,7 @@ This document explains how to define and manage objects using configuration file
 ## {{% heading "prerequisites" %}}
 
 
-Install [`kubectl`](/docs/tasks/tools/install-kubectl/).
+Install [`kubectl`](/docs/tasks/tools/).
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
 

content/en/docs/tasks/manage-kubernetes-objects/kustomization.md

@@ -29,7 +29,7 @@ kubectl apply -k <kustomization_directory>
 ## {{% heading "prerequisites" %}}
 
 
-Install [`kubectl`](/docs/tasks/tools/install-kubectl/).
+Install [`kubectl`](/docs/tasks/tools/).
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}