Update contributing docs

docs/contributing.rst

@@ -10,11 +10,11 @@ a new issue on the `astroimtools issue tracker
 creating a `free Github account <https://github.com/>`_ if you do not
 have one.
 
-Please include an example that demonstrates the issue and will allow the
-developers to reproduce and fix the problem. You may be also asked to
-provide information about your operating system and a full Python stack
-trace. The developers will walk you through obtaining a stack trace if
-it is necessary.
+Please include a minimal example that demonstrates the issue and will
+allow the developers to reproduce and fix the problem. You may be also
+asked to provide information about your operating system and a full
+Python stack trace. The developers will walk you through obtaining a
+stack trace if it is necessary.
 
 
 Contributing
@@ -27,12 +27,5 @@ welcome contributors who will abide by the `Python Software Foundation
 Code of Conduct <https://www.python.org/psf/conduct/>`_.
 
 This package follows the same workflow and coding guidelines as
-`Astropy`_. The following pages will help you get started with
-contributing fixes, code, or documentation (no git or GitHub experience
-necessary):
-
-* `How to make a code contribution <https://docs.astropy.org/en/latest/development/workflow/development_workflow.html>`_
-
-* `Coding Guidelines <https://docs.astropy.org/en/latest/development/codeguide.html>`_
-
-* `Developer Documentation <https://docs.astropy.org/en/latest/development/index.html>`_
+`Astropy`_. Please read the `Astropy Development documentation
+<https://docs.astropy.org/en/latest/index_dev.html>`_ to get started.