docs: remove the screenshot from the docs introduction page - #166

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: thollander/actions-comment-pull-request@24bffb9b452ba05a4f3f77933840a6a841d1b32b. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Summary report available at: https://github.com/nebari-dev/apps-pack/actions/runs/39667168291#summary-119455152211