projects.desc does not exist in translation files

[CirnoT]

• Gitea version (or commit ref): 1.14.0+dev-626-ga7cfb9f2c
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No

Screenshots

[delvh]

My bad. I did not know that it was used somewhere else when I merged #14429. I'll fix it tomorrow (or maybe today, depending on your time zone).
Edit: Okay, I was motivated enough and fixed it right away.