doc: Drop stale references to cloud images

doc/sphinx/installation/cloud_debian.rst

-..
-	Copyright (c) 2019 Varnish Software AS
-	SPDX-License-Identifier: BSD-2-Clause
-	See LICENSE file for full text of license
-
-.. _cloud-debian:
-
-Debian cloud images
--------------------
-
-Varnish Cache is also made available by Varnish Software in the following
-clouds providers:
-
-Amazon Web Services (AWS EC2)
-.............................
-
-Here is a list of the currently available images for Ubuntu LTS on
-Amazon Web Services (AWS) Elastic Compute Cloud (EC2):
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01H2063F6
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01MU4VLOA
-
-Microsoft Azure
-...............
-
-Here is a list of the currently available images for Ubuntu LTS on
-Microsoft's Azure cloud:
-
-* `Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`_
-
-.. _`Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`: https://azuremarketplace.microsoft.com/en-us/marketplace/apps/varnish.varnish-cache_
-
-Google Cloud Platform (GCP)
-...........................
-
-Here is a list of the currently available images for Ubuntu LTS on
-Google Cloud Platform (GCP):
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-4-payg-ubuntu
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-5-payg-ubuntu
-
-UPLEX Packages with vmods
-.........................
-
-`UPLEX`_ provides packages of varnish-cache and various vmods for
-Debian, Ubuntu and RHEL/CentOS
-
-* `UPLEX Packages`_
-
-.. _`UPLEX Packages`: https://pkg.uplex.de/
-.. _`UPLEX`: https://uplex.de/#anchorvarnish

doc/sphinx/installation/cloud_redhat.rst

-..
-	Copyright (c) 2019 Varnish Software AS
-	SPDX-License-Identifier: BSD-2-Clause
-	See LICENSE file for full text of license
-
-.. _cloud-redhat:
-
-RedHat Cloud images
-===================
-
-Varnish Cache is also made available by Varnish Software in the following
-clouds providers:
-
-
-Amazon Web Services (AWS EC2)
-.............................
-
-Here is a list of the currently available images for RHEL7 on
-Amazon Web Services (AWS) Elastic Compute Cloud (EC2):
-
-* `Varnish Cache 4 on Red Hat Enterprise Linux 7 on AWS`_
-* `Varnish Cache 5 on Red Hat Enterprise Linux 7 on AWS`_
-
-.. _`Varnish Cache 4 on Red Hat Enterprise Linux 7 on AWS`: https://aws.amazon.com/marketplace/pp/B01H2061O4
-.. _`Varnish Cache 5 on Red Hat Enterprise Linux 7 on AWS`: https://aws.amazon.com/marketplace/pp/B01MR09UKM
-
-
-Microsoft Azure
-...............
-
-Here is a list of the currently available images for RHEL7 on
-Microsoft's Azure cloud:
-
-* `Varnish Cache 4 and 5 on Red Hat Enterprise Linux 7 on Azure`_
-
-.. _`Varnish Cache 4 and 5 on Red Hat Enterprise Linux 7 on Azure`: https://azuremarketplace.microsoft.com/en-us/marketplace/apps/varnish.varnish-cache_
-
-
-Google Cloud Platform (GCP)
-...........................
-
-Here is a list of the currently available images for RHEL7 on
-Google Cloud Platform (GCP):
-
-* `Varnish Cache 4 on Red Hat Enterprise Linux 7 on GCP`_
-* `Varnish Cache 5 on Red Hat Enterprise Linux 7 on GCP`_
-
-.. _`Varnish Cache 4 on Red Hat Enterprise Linux 7 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-4-payg-red-hat
-.. _`Varnish Cache 5 on Red Hat Enterprise Linux 7 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-5-payg-red-hat
-

doc/sphinx/installation/cloud_ubuntu.rst

-..
-	Copyright (c) 2019 Varnish Software AS
-	SPDX-License-Identifier: BSD-2-Clause
-	See LICENSE file for full text of license
-
-.. _cloud-ubuntu:
-
-Ubuntu Cloud images
--------------------
-
-Varnish Cache is also made available by Varnish Software in the following
-clouds providers:
-
-Amazon Web Services (AWS EC2)
-.............................
-
-Here is a list of the currently available images for Ubuntu LTS on
-Amazon Web Services (AWS) Elastic Compute Cloud (EC2):
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01H2063F6
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01MU4VLOA
-
-Microsoft Azure
-...............
-
-Here is a list of the currently available images for Ubuntu LTS on
-Microsoft's Azure cloud:
-
-* `Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`_
-
-.. _`Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`: https://azuremarketplace.microsoft.com/en-us/marketplace/apps/varnish.varnish-cache_
-
-Google Cloud Platform (GCP)
-...........................
-
-Here is a list of the currently available images for Ubuntu LTS on
-Google Cloud Platform (GCP):
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-4-payg-ubuntu
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-5-payg-ubuntu
-
-(this is left here to avoid linkrot)

doc/sphinx/installation/install.rst

@@ -27,17 +27,6 @@ is highly operating system specific:
 	install_openbsd
 	install_redhat
 
-Cloud images of Varnish
-=======================
-
-.. toctree::
-	:maxdepth: 2
-
-	cloud_debian
-	cloud_redhat
-	cloud_ubuntu
-
-
 Compiling Varnish from source
 =============================