Remove old jupyterbook link

cookiecutter.yaml

@@ -8,11 +8,6 @@ banner:
   end_date: 23 August
   year: 2024
   location: Seattle, WA
-  links:
-    - url: intro.html
-      title: Event Jupyter Book
-      new_window: true
-  image: https://geo-smart.github.io/assets/img/home.jpg
 about:
   description:
     "We are in the early stages of organizing a second event as part of this series, and we need your help! Consider joining the hackweek organizing team. We will partner with you to design tutorials and projects, and provide a variety of professional development opportunities along the way. Click on the button below to learn more:"