Consolidate Documentation sections of README

Author: tekktrik

README.rst

@@ -63,11 +63,10 @@ Documentation
 
 API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/gc_iot_core/en/latest/>`_.
 
+This library was written by Google for MicroPython. We've converted it to
+
 For information on building library documentation, please check out `this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.
 
 Contributing
 ============
 
-Contributions are welcome! Please read our `Code of Conduct
-<https://github.com/adafruit/Adafruit_CircuitPython_GC_IOT_CORE/blob/main/CODE_OF_CONDUCT.md>`_
-before contributing to help this project stay welcoming.