Remove nbsphinx extension (#931)

* Remove nbsphinx extension
* Remove nbsphinx from environment.yml
* Remove nbsphinx from breadcrumbs

Co-authored-by: Dongdong Tian <[email protected]>

Author: Meghan Jones

doc/_templates/breadcrumbs.html

@@ -1,5 +1,4 @@
-{# Extend the RTD template to include "Edit on GitHub" and option to download
-   notebook generated pages from nbsphinx #}
+{# Extend the RTD template to include "Edit on GitHub" #}
 {% extends "!breadcrumbs.html" %}
 
 
@@ -26,9 +25,5 @@
                    class="fa fa-github"> Improve this page</a>
             {% endif %}
         {% endif %}
-        {% if suffix == ".ipynb" %}
-            <a href="https://github.com/{{ github_repo }}/raw/{{ github_version }}/{{ doc_path }}/{{ pagename }}{{ suffix }}"
-               class="fa fa-download"> Download notebook</a>
-        {% endif %}
     </li>
 {% endblock %}

doc/conf.py

@@ -26,7 +26,6 @@
     "sphinx.ext.extlinks",
     "sphinx.ext.intersphinx",
     "sphinx.ext.napoleon",
-    "nbsphinx",
     "sphinx_gallery.gen_gallery",
     "sphinx_copybutton",
 ]

environment.yml

@@ -23,7 +23,6 @@ dependencies:
     - jupyter
     - make
     - matplotlib
-    - nbsphinx
     - pylint
     - pytest-cov
     - pytest-mpl