Merge bitcoin/bitcoin#26079: Revert "doc: note that brew installed qt is not supported"

34a2f91 Revert "doc: note that brew installed qt is not supported" (Hennadii Stepanov)

Pull request description:

  As bitcoin/bitcoin#26056 fixes bitcoin/bitcoin#25947 it looks reasonable to revert bitcoin/bitcoin#21988.

ACKs for top commit:
  fanquake:
    ACK 34a2f91 - haven't tested at all.
  jarolrod:
    ACK bitcoin/bitcoin@34a2f91

Tree-SHA512: 4470f21fb6ea32970d7572c83ba064bcbe6e3282cea79122312f8ac203a5b1617b21952db1d6e47ba5b6f605abc23f72c04c07cef7251272e22fb593ff317beb

Author: fanquake

doc/build-osx.md

@@ -96,14 +96,6 @@ Skip if you don't intend to use the GUI.
 brew install qt@5
 ```
 
-Ensure that the `qt@5` package is installed, not the `qt` package.
-If 'qt' is installed, the build process will fail.
-if installed, remove the `qt` package with the following command:
-
-``` bash
-brew uninstall qt
-```
-
 Note: Building with Qt binaries downloaded from the Qt website is not officially supported.
 See the notes in [#7714](https://github.com/bitcoin/bitcoin/issues/7714).