remove old readme

py_packages/ipydrawio/src/ipydrawio/ext/README.md

@@ -1,21 +0,0 @@
-# `ipydrawio` labextensions
-
-`ipydrawio` ships, and enables by default, several JupyterLab 3 _federated extensions_.
-At some point in the future, these might become smaller packages, and are independently
-reusable by other _federated modules_.
-
-- `@deathbeds/ipydrawio-webpack`
-    - a mostly-automated re-packaging (and light patching) of the official [drawio]
-      repo
-- `@deathbeds/ipydrawio`
-    - the core renderer library
-- `@deathbeds/ipydrawio-widget`
-    - the Jupyter Widgets
-- `@deathbeds/ipydrawio-notebook`
-    - the custom `ipynb` format
-- `@deathbeds/ipydrawio`
-    - the core renderer library
-- `@deathbeds/ipydrawio-jupyter-templates`
-    - some templates for building Jupyter-related diagrams
-
-[drawio]: https://github.com/jgraph/drawio