install-macos: remove Homebrew tap command

vitorgalvao · web-flow · commit 73a4a5876be8 · 2019-02-18T21:24:13.000Z
diff --git a/src/intro/install/macos.md b/src/intro/install/macos.md
@@ -6,7 +6,6 @@ All the tools can be install using [Homebrew]:
 
 ``` console
 $ # GDB
-$ brew tap armmbed/formulae
 $ brew install armmbed/formulae/arm-none-eabi-gcc
 
 $ # OpenOCD
