change delete all apps option to -w

[IGPenguin]

🤔 Check all before merging!

• [x] 📈Project board up to date
• [x] 🏗 Everything implemented thoroughly
• [x] 🔨 All changes tested
  • [x] auninstall -w
  • [x] iuninstall -w
• [x] 👀 Go through the diff
• [x] 📝 API changes included in README.md
• [x] 📣 Major changes listed in changelog.txt

✅ All good? -> Merge! 🎉🎉🎉