USAGE.md: remove note on being safe to let an app update itself (#72166)

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Vítor Galvão 2019-11-07 18:04:05 +00:00 committed by Markus Reiter
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@ -125,8 +125,6 @@ Caffeine.app (app)
Since the Homebrew Cask repository is a Homebrew Tap, youll pull down the latest Casks every time you issue the regular Homebrew command `brew update`. You can check for outdated Casks with `brew cask outdated` and install the outdated Casks with `brew cask upgrade`. Many applications update themselves, so their Casks are ignored by `brew cask outdated` and `brew cask upgrade`. This behaviour can be overridden by adding `--greedy` to the command.
It is generally safe to run updates from within an application.
## Updating/Upgrading the Homebrew Cask Tool
Homebrew [automatically taps and keeps Homebrew Cask updated](https://github.com/Homebrew/homebrew-cask/pull/15381). `brew update` is all that is required.