Clean up README

Author: dstansby

README.md

@@ -7,19 +7,11 @@
 [![codecov](https://codecov.io/gh/dstansby/napari-matplotlib/branch/main/graph/badge.svg)](https://codecov.io/gh/dstansby/napari-matplotlib)
 [![napari hub](https://img.shields.io/endpoint?url=https://api.napari-hub.org/shields/napari-matplotlib)](https://napari-hub.org/plugins/napari-matplotlib)
 
-A plugin to use Matplotlib with napari
+A plugin to create Matplotlib plots from napari layers
 
 ----------------------------------
 
-This [napari] plugin was generated with [Cookiecutter] using [@napari]'s [cookiecutter-napari-plugin] template.
-
-<!--
-Don't miss the full getting started guide to set up your new package:
-https://github.com/napari/cookiecutter-napari-plugin#getting-started
-
-and review the napari docs for plugin developers:
-https://napari.org/plugins/stable/index.html
--->
+## Introduction
 
 ## Installation
 
@@ -36,28 +28,20 @@ To install latest development version :
 
 ## Contributing
 
-Contributions are very welcome. Tests can be run with [tox], please ensure
+Contributions are very welcome! Tests can be run with [tox], please ensure
 the coverage at least stays the same before you submit a pull request.
 
 ## License
 
 Distributed under the terms of the [BSD-3] license,
-"napari-matplotlib" is free and open source software
+`napari-matplotlib` is free and open source software.
 
 ## Issues
 
 If you encounter any problems, please [file an issue] along with a detailed description.
 
-[napari]: https://github.com/napari/napari
-[Cookiecutter]: https://github.com/audreyr/cookiecutter
 [@napari]: https://github.com/napari
-[MIT]: http://opensource.org/licenses/MIT
 [BSD-3]: http://opensource.org/licenses/BSD-3-Clause
-[GNU GPL v3.0]: http://www.gnu.org/licenses/gpl-3.0.txt
-[GNU LGPL v3.0]: http://www.gnu.org/licenses/lgpl-3.0.txt
-[Apache Software License 2.0]: http://www.apache.org/licenses/LICENSE-2.0
-[Mozilla Public License 2.0]: https://www.mozilla.org/media/MPL/2.0/index.txt
-[cookiecutter-napari-plugin]: https://github.com/napari/cookiecutter-napari-plugin
 
 [file an issue]: https://github.com/dstansby/napari-matplotlib/issues