chore: remove unused dependencies

Remove 30 dependencies across 18 packages that have no imports in
source code and are not peer dependencies of any other dependency.

Signed-off-by: Fredrik Adelöw <freben@spotify.com>
Made-with: Cursor

plugins/user-settings-backend/package.json

@@ -54,7 +54,6 @@
     "@backstage/plugin-signals-node": "workspace:^",
     "@backstage/plugin-user-settings-common": "workspace:^",
     "@backstage/types": "workspace:^",
-    "already": "^2.2.1",
     "express": "^4.22.0",
     "express-promise-router": "^4.1.0",
     "knex": "^3.0.0",