Align uninstall/remove keywords in UI

[kittaakos]

Describe the problem

As part of the library/boards manager UX update (#1927), the uninstall keyword has been replaced with remove in the UI.

2.0.4:

eb1f247:

This is great, but the rest of the UI elements still use uninstall:

To reproduce

• Start eb1f247 and remove an installed library or platform,
• IDE2 uses uninstall instead of remove for the dialogs, output, notifications, etc.

Expected behavior

IDE2 consistently uses either remove or uninstall but not both

Arduino IDE version

eb1f247

Operating system

macOS

Operating system version

12.6.3

Additional context

No response

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details