docs: remove duplicate line in "Understand the architecture"

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 00e84ca4d2)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Sebastiaan van Stijn 2016-04-25 23:16:49 +02:00
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@ -214,8 +214,7 @@ In order, Docker Engine does the following:
- **Pulls the `ubuntu` image:** Docker Engine checks for the presence of the `ubuntu`
image. If the image already exists, then Docker Engine uses it for the new container.
If it doesn't exist locally on the host, then Docker Engine pulls it from
[Docker Hub](https://hub.docker.com). If the image already exists, then Docker Engine
uses it for the new container.
[Docker Hub](https://hub.docker.com).
- **Creates a new container:** Once Docker Engine has the image, it uses it to create a
container.
- **Allocates a filesystem and mounts a read-write _layer_:** The container is created in