fix: update Homebrew installation instructions in README

Author: zombocoder

README.md

@@ -18,12 +18,6 @@ A terminal UI dashboard for monitoring GitHub repositories, pull requests, and y
 
 ### Homebrew (macOS & Linux)
 
-```sh
-brew install zombocoder/tap/ghdash
-```
-
-Or tap the repo first:
-
 ```sh
 brew tap zombocoder/tap https://github.com/zombocoder/ghdash.git
 brew install ghdash