Clean Remove Partial Binary of Homebrew in OSX Mojave
Homebrew conveniently has a few ways to uninstall it"


Issue the command

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall.sh)"

They also conveniently provide an Uninstall script
you can download that should remove the files from the aborted installation.


Either of these methods should get Homebrew uninstalled.