Revert "Default `glg` on HEAD and its @{upstream} #zsh"
Revert "Default `glg` on HEAD and its @{upstream} #zsh"

This reverts commit 7c1da91a6bba927db923869e5f2e75838b743904.

jpalardy/dotfiles,jpalardy/dotfiles,jpalardy/dotfiles,jpalardy/dotfiles,jpalardy/dotfiles