Revert "Switch to internal mirror for docker-ee packages"

This reverts commit d0b71f7ad69ad5e60af98f7be6c697fc21ae5882.

Reason for revert: PRODX-00000

Change-Id: I20d1f8a599855bcba6d76abf6202c10b0b0af91c
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index baf54c4..0064c38 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -130,8 +130,7 @@
     default: ''
   docker_ee_url:
     type: string
-    default: 'http://mirror-us.mcp.mirantis.net/.snapshots/docker-ee-bionic-latest'
-#    default: 'https://s3-us-west-2.amazonaws.com/internal-docker-ee-builds/docker-ee-linux'
+    default: 'https://s3-us-west-2.amazonaws.com/internal-docker-ee-builds/docker-ee-linux'
   docker_ee_release:
     type: string
     default: 'stable-19.03'