Trim out a bit more superfluous content

Author: holly-cummins

.github/workflows/preview.yml

@@ -110,8 +110,11 @@ jobs:
         run: |
           find assets/images/posts/ -mindepth 1 -maxdepth 1 -type d -mtime +100 -exec rm -rf _site/{} \;
           find newsletter/ -mindepth 1 -maxdepth 1 -type d -mtime +100 -exec rm -rf _site/{} \;
+          rm -rf _site/assets/stickers
           rm -rf _site/assets/images/worldtour/2023
+          rm -rf _site/assets/images/worldtour/2024
           rm -rf _site/assets/images/desktopwallpapers
+          rm -rf _site/assets/images/stickers
 
       - name: Publishing to surge for preview
         id: deploy