[applets/weather] Remove associatedApplicationUrls

This removes the 'Open in ' entry from the applet's context menu

It's somewhat broken and not particularly useful since it just opens a static site in the browser

The same site is already available from the main UI

BUG: 445946
2 jobs for !101 with work/noassociatedApplicationUrls in 3 minutes and 44 seconds (queued for 21 seconds)
latest merge request