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.