Binder hub url removal #281

Author: AakashGfude

environment.yml

@@ -7,7 +7,7 @@ dependencies:
   - pip
   - pip:
     - jupyter-book==0.15.1
-    - quantecon-book-theme==0.4.1
+    - quantecon-book-theme==0.5.3
     - sphinx-tojupyter==0.3.0
     - sphinxext-rediraffe==0.2.7
     - sphinx-exercise==0.4.1

lectures/_config.yml

@@ -34,7 +34,6 @@ sphinx:
         google_analytics_id: G-X7DH1M2DPY
       launch_buttons:
         notebook_interface        : classic  # The interface interactive links will activate ["classic", "jupyterlab"]
-        binderhub_url             : https://mybinder.org  # The URL of the BinderHub (e.g., https://mybinder.org)
         colab_url                 : https://colab.research.google.com
         thebe                     : false  # Add a thebe button to pages (requires the repository to run on Binder)
     mathjax_path: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js