Fixed Pacaur aliases (#6416)
Fixed Pacaur aliases (#6416)

`pacaur -Syua` only updated AUR pakcages, wihch is incompatible with semantics of `pacupg` and `yaupg`. Removing `-a` here it would work for both main repos and aur.
tekniklr/oh-my-zsh,tekniklr/oh-my-zsh