Remove unused "use" statements

v1.1.1

BIGFIX: Remove unused use statements

Reload also after deleting nodes

Merge pull request #1 from mwuest/feature/reloadOnDelete

TASK - add reload behaviour on node deletion

Initial release

FEATURE: Reload the whole document if specific nodes are changed

If a node or one of the parent-nodes (until the document) has the following
configuration option activated the partial reloading for this nodes is skipped
and the whole document is reloaded instead.

```
Vendor.Site:Content.ExampleCollection:
  options:
    reloadPageIfChanged: TRUE
```