Simplify Contributing

Author: m-mohr

CONTRIBUTING.md

@@ -1,7 +1,7 @@
 # Contributing
 
 All contributions are subject to the
-[Vecorel Code of Conduct](https://vecorel.org/code-of-conduct/).
+[Code of Conduct](https://vecorel.org/code-of-conduct/).
 
 ## Running tests
 
@@ -14,6 +14,6 @@ Start with the following command in the folder where this README is located:
 Finally, you can run the tests as follows:
 
 - To check the markdown run: `pipenv run test-docs`
-- To check the Vecorel schema run: `pipenv run test-schema`
+- To check the schema run: `pipenv run test-schema`
 - To check the examples run: `pipenv run test-examples`
 - To create a GeoParquet from the GeoJSON examples: `pipenv run create-geoparquet`