chore: remove duplicate dependencies/devDependencies entries

Several packages had the same dependency listed in both `dependencies`
and `devDependencies`. This removes the duplicate from whichever section
is incorrect based on actual usage in the source code.

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

plugins/app-backend/package.json

@@ -76,7 +76,6 @@
     "@backstage/backend-defaults": "workspace:^",
     "@backstage/backend-test-utils": "workspace:^",
     "@backstage/cli": "workspace:^",
-    "@backstage/types": "workspace:^",
     "@types/express": "^4.17.6",
     "@types/supertest": "^2.0.8",
     "supertest": "^7.0.0"