Revert "Bump UCP and DTR versions"

This reverts commit a231c93bf5.

_config.yml

@@ -104,14 +104,14 @@ defaults:
     values:
       dtr_org: "docker"
       dtr_repo: "dtr"
-      dtr_version: "2.3.1"
+      dtr_version: "2.3.0"
   - scope:
       path: "datacenter/dtr/2.2"
     values:
       hide_from_sitemap: true
       ucp_version: "2.1"
       dtr_version: "2.2"
-      docker_image: "docker/dtr:2.2.8"
+      docker_image: "docker/dtr:2.2.7"
   - scope:
       path: "datacenter/dtr/2.1"
     values:

_data/ddc_offline_files.yaml

@@ -18,8 +18,6 @@
       url: https://packages.docker.com/caas/ucp_images_2.1.1.tar.gz
     - description: "UCP 2.1.0"
       url: https://packages.docker.com/caas/ucp_images_2.1.0.tar.gz
-    - description: "DTR 2.2.8"
-      url: https://packages.docker.com/caas/dtr-2.2.8.tar.gz
     - description: "DTR 2.2.7"
       url: https://packages.docker.com/caas/dtr-2.2.7.tar.gz
     - description: "DTR 2.2.6"

_data/ddc_offline_files_2.yaml

@@ -6,12 +6,6 @@
 - product: "ucp"
   version: "2.2"
   tar-files:
-    - description: "2.2.1 Linux"
-      url: https://packages.docker.com/caas/ucp_images_2.2.1.tar.gz
-    - description: "2.2.1 IBM Z"
-      url: https://packages.docker.com/caas/ucp_images_s390x_2.2.1.tar.gz
-    - description: "2.2.1 Windows"
-      url: https://packages.docker.com/caas/ucp_images_win_2.2.1.tar.gz
     - description: "2.2.0 Linux"
       url: https://packages.docker.com/caas/ucp_images_2.2.0.tar.gz
     - description: "2.2.0 IBM Z"
@@ -23,5 +17,3 @@
   tar-files:
     - description: "DTR 2.3.0"
       url: https://packages.docker.com/caas/dtr-2.3.0.tar.gz
-    - description: "DTR 2.3.1"
-      url: https://packages.docker.com/caas/dtr-2.3.1.tar.gz